Figueroa Gronemeyer Guillermo Osvaldo

Director Unidad Académica Alimentos
Profesor Asociado
Unidad Académica: 
(56) 229781474
Grado Académico: 
Técnologo Médico, Universidad de Chile
Áreas de Interés: 
Microbiología de alimentos, veterinaria y clínica

Profesor Asociado de la Universidad de Chile. Investigador y Jefe del Laboratorio de Microbiología y Probióticos del INTA. Especialista en el área de Agroalimentación, Microbiología de los Alimentos y HACCP. Entre ellas destacan: a) Inocuidad y Microbiología de alimentos; b) Microflora intestinal; c) Alimentos funcionales y salud humana (identificación de cepas Probióticas, producción de fermentos, actividad antibacteriana de extractos de frutas); d) Actividad antibacteriana del Cobre; e) Campylobacter jejuni; f) Helicobacter pylori y patología gástrica y g) Caracterización molecular de determinantes de virulencia bacteriana.

Docente del Programa de Magister en Ciencias de la Nutrición, Coordinador y docente de los  Diplomados HACCP y Seguridad Microbiológica de los Alimentos y cursos E-learning impartidos por el INTA. Miembro del Comité Académico del Doctorado en Ciencias Silvo Agropecuarias y Veterinarias y académico del Magister en Ciencias de la Nutrición, Mención Alimentos Saludables de la Universidad de Chile. Ha sido Presidente de la Sociedad Chilena de Microbiología. Representante de la Universidad de Chile ante la Comisión de Alimentos del Ministerio de RREE,  miembro del Consejo Nacional de Ciencia de Alimentos (CONICYT),  Comité Agenda Alimentaria para Chile y Comité Consultivo de la ACHIPIA. Además es consultor y asesor microbiológico de organismos gubernamentales, internacionales e industria alimentaria, editor de revistas del área microbiológica.

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2016 Reyes-Jara A, Cordero N, Aguirre J, Troncoso M, Figueroa G. Antibacterial effect of copper on microorganisms isolated from bovine mastitis. Front Microbiol 2016 Apr 28; 7:626
2016 Morales P, Aguirre J, Troncoso M, Figueroa G. Phenotypic and genotypic characterization of Pseudomonas spp present in spoiled poultry fillets sold in retail setting. LWT Food Sci Technol 2016; 73:609-614
2016 Cordero N, Maza F, Navea-Perez H, Aravena A, Marquez-Fontt B, Navarrete P, Figueroa G, González M, Latorre M, Reyes-Jara A. Different tanscriptional responses from slow and fast growth rate strains of Listeria monocytogenes adapted to low temperature. Front Microbiol 2016 Mar 1; 7:229
2015 González-Hein G, Huaracan B, Cordero N, Figueroa G. Tetracycline resistance of Chilean Campylobacter Jejuni strain bank from humans, cattle and chickens. Case report. Clin Exp Pharmacol 2015; 5:5
2015 Saludes MJ, Troncoso M, Figueroa G. Presence of Listeria monocytogenes in Chilean food matrices. Food Control 2015; 50:331-335
2014 Gotteland M, Cires MJ, Carvallo C, Vega N, Ramirez MA, Morales M, Rivas P, Astudillo F, Navarrete P, Dubos C, Figueroa A, Troncoso M, Ulloa C, Mizgier M l, Carrasco-Pozo C, Speisky H, Brunser O, Figueroa G. Probiotic screening and safety evaluation of Lactobacillus strains from plants, artisanal goat cheese and human stool and milk. J Med Food 2014; 17(4):487-495
2014 Foerster C, Figueroa G, Evers E. Risk assessment of Listeria monocytogenes in poultry and beef. Br Food J 2014; 117(2):779-792
2013 González-Hein G, Huaracán B, García P, Figueroa G. Prevalence of virulence genes in strains of Campylobacter jejuni isolated from human, bovine and broiler. Braz J Microbiol 2013; 44(4):1-7
2013 González-Hein G, García P, Foerster C, Troncoso M, Figueroa G. Campylobacter jejuni isolated from human cases in Chile showed indistinguishable PFGE profiles with strains isolated from poultry and bovine sources. CyTA J Food 2013; 11(2):185-189
2013 Foerster C, González-Hein G, Troncoso M, Figueroa G. Pulsed-field gel electrophoresis pattern similarities between Listeria monocytogenes isolated from human patients and poultry in Chile. CyTA J Food 2013: 11(1):14-18
2012 Foerster C, Vidal L, Troncoso M, Figueroa G. Caracterización de aislamientos de Listeria monocytogenes obtenidos de ganado y de carne molida de vacuno por electroforesis de campo pulsado (Characterization of Listeria monocytogenes isolates from cattle and ground beef by pulsed-field gel electrophoresis). Rev Argent Microbiol 2012; 44(3):195-200
2010 Pastene E, Speisky H, García A, Moreno J, Troncoso M, Figueroa G. In vitro and in vivo effects of apple peel polyphenols against Helicobacter pylori. J Agric Food Chem 2010; 58(12):7172-7179
2009 Pastene E, Troncoso M, Figueroa G, Alarcón J, Speisky H. Association between polymerization degree of apple peel polyphenols and inhibition of Helicobacter pylori urease. J Agric Food Chem 2009; 57(2):416-424
2009 Figueroa G, Troncoso M, López C, Rivas P, Toro M. Occurrence and enumeration of Campylobacter spp during the processing of Chilean broilers. BMC Microbiol 2009 May 15;9:94
2009 Pastene E, Speisky H, Troncoso M, Alarcón J, Figueroa G. In vitro inhibitory effect of apple peel extract on the growth of Helicobacter pylori and respiratory burst induced on human neutrophils. J Agric Food Chem 2009; 57(17):7743-7749
2009 Figueroa G, Troncoso M, López C, Rivas P, Toro M. Occurrence and enumeration of Campylobacter spp during the processing of Chilean broilers. BMC Microbiol 2009 May 15;9:94
2006 Brunser O, Gotteland M, Cruchet S, Figueroa G, Garrido D, Steenhout P. Effect of a milk formula with prebiotics on the intestinal microbiota of infants after an antibiotic treatment. Pediatr Res 2006; 59:451-456
2006 Brunser O, Figueroa G, Gotteland M, Haschke-Becher E, Magliola C, Rochat F, Cruchet S, Palframan R, Gibson G, Chauffard F, Haschke F. Effects of probiotic or prebiotic supplemented milk formulas on fecal microbiota composition of infants. Asia Pac J Clin Nutr 2006; 15(3):368-376
2004 Faúndez G, Troncoso M, Navarrete P, Figueroa G. Antimicrobial activity of copper surfaces against suspensions of Salmonella enterica and Campylobacter jejuni. BMC Microbiol 2004; 4:19 (7 p.)
2004 Araya M, Olivares M, Pizarro F, Llanos A, Figueroa G, Uauy R. Community-based randomized double-blind study of gastrointestinal effects and copper exposure in drinking water. Environ Health Perspect 2004; 112(10):1068-1073
2002 Faundez G, Troncoso M, Figueroa G. CagA and vacA in strains of Helicobacter pylori from ulcer and non-ulcerative dyspepsia patients. BMC Gastroenterology 2002; 2:20-27
2002 Figueroa G, Troncoso M, Toledo MS, Faundez G, Acuña R. Prevalence of serum antibodies in Helicobacter pylori VacA and CagA and gastric diseases in Chile. J Med Microbiol 2002; 51:300-304
2002 Figueroa G, Faundez G, Troncoso M, Navarrete P, Toledo MS. Immunoglobulin G antibody response to infection with coccoid forms of Helicobacter pylori. Clin Diagn Lab Immunol 2002; 9(5):1067-1071
2001 Tsang R, Figueroa G, Bryden L, King L. Flagella as a marker for Campylobacter jejuni strains associated with Guillain-Barré syndrome. J Clin Microbiol 2001; 39:762-764
2001 Gotteland M, Corvalan A, Sarmiento F, Chavez E, Backhouse C, Palma M, Kakarieka E, Vial MT, Figueroa G. Gastric permeability is not increased in children colonized by cagA-positive strains of Helicobacter pylori. Dig Liver Dis 2001; 33:750-754
1997 Figueroa G, Acuña R, Troncoso M, Portell DP, Toledo MS, Valenzuela J. Helicobacter pylori infection in Chile. Clin Infect Dis 1997; 25:983-989
1996 Figueroa G, Acuña R, Troncoso M, Portell DP, Toledo MS, Albornoz V, Vigneaux J. Low H. pylori reinfection rate triple therapy in Chilean duodenal ulcer patients. Am J Gastroenterol 1996; 91(7):1395-1399
1995 Guiraldes E, Triviño X, Figueroa G, Parker M, Gutierrez C, Vasquez A, Harun A. Comparison of an oral rice based electrolyte solution and glucose based electrolyte solution in hospitalized infants with diarrheal dehydration. J Pediatr Gastroenterol Nutr 1995; 20:417-424
1993 Figueroa G,Troncoso M, Portell DP, Toledo MS, Acuña R, Arellano L. Prevalence of IgG antibodies to Helicobacter pylori. Eur J Clin Microbiol 1993; 12(10):795-797
1993 Figueroa G, Acuña R, Troncoso M, Portell DP, Toledo MS, Arellano L. Detection of Helicobacter pylori by the urease test and microscopy in Chilean gastric patients. Acta Microbiol 1993; 4(2):75-79
1992 Aguilera JM, Francke A, Figueroa G, Bornhardt C, Cifuentes A. Preservation of minced pelagic fish by combined methods. Int J Food Sci Technol 1992; 27:171-177
1992 Figueroa G, Portell DP, Soto V, Troncoso M. Adherence of Campylobacter pylori to HEp-2 cells. J Infect 1992; 24:263-267
1992 Alvarez ML, Wurgaft F, Espinoza J, Araya M, Figueroa G. Hygiene habits and carriers in families with a child who has had typhoid fever. Rev Saude Publica 1992; 26(2):75-81
1992 Brunser O, Espinoza J, Figueroa G, Araya M, Spencer E, Hilpert H, Link-Amster H, Brussow H. Field trial of an infant formula containing anti-rotavirus and anti- Escherichia coli milk antobodies from hyperimmunized cows. J Pediatr Gastroenterol Nutr 1992; 15:63-72
1990 Figueroa G, Troncoso M, Galeno H, Soto V, Toledo MS. Biogroups, serogroups and antibiotic susceptibility of Campylobacter jejuni and Campylobacter coli strains isolated in Chile. J Infect 1990; 20(2):123-127
1990 Figueroa G, Troncoso M, Galeno H, Faundez G. Iron intake and diarrheal disease in infants : a prospective bacteriological study. Microbiol Ecol Health Dis 1990; 3:139-143
1990 Figueroa G, Galeno H, Troncoso M, Aguilera JM. Analysis of the microbial flora of Jack Mackerel (Trachurus murphyi) minced products. Sciences des Aliments 1990; 10:907-912
1989 Figueroa G, Galeno H, Troncoso M, Toledo MS, Soto V. Prospective study of Campylobacter jejuni infection in Chilean infants evaluated by culture and serology. J Clin Microbiol 1989; 27(5):1040-1044
1988 Faundez G, Figueroa G, Troncoso M, Cabello F. Characterization of entero-invasive Escherichia coli strains isolated from children with diarrhea in Chile. J Clin Microbiol 1988; 26:928-932
1988 Fernandez-Beros ME, Kissel V, Aguero ME, Figueroa G, D'Ottone K, Prado V, Cabello F. Further characterization of Escherichia coli 0153:H45, an ETEC serotype disseminated in Chile. Can J Microbiol 1988; 34:85-88
1988 Figueroa G, Galeno H, Soto V, Troncoso M, Hinrichsen V, Yudelevich A. Entero-pathogenicity of Aeromonas species isolated from infants: a cohort study. J Infect 1988; 17:205-213
1987 Brunser O, Araya M, Espinoza J, Figueroa G, Pacheco I, Lois I. Chronic environmental enteropathy in a temperate climate. Hum Nutr: Clin Nutr 1987; 41C:251-261
1986 Araya M, Figueroa G, Espinoza J, Zarur X, Brunser O. Acute diarrhoea and asymptomatic infection on Chilean preschoolers of the low and high socioeconomic strata. Acta Paediatr Scand 1986; 75:645-651
1986 Figueroa G, Araya M, Ibañez S, Clerc N, Brunser O. Enteropathogens associated with acute diarrhea in hospitalized patients. J Pediatr Gastroenterol Nutr 1986; 5:226-231
1986 Soto A, Figueroa G, Urcelay S. Tasas de infección, IgC, IgM y anticuerpos fijadores de complemento para Campylobacter jejuni/coli en trabajadores de plantas faenadoras de aves en Santiago, Chile (Frequency of infection with Campylobacter jejuni/coli and the occurrence of IgC, IgM and complement fixing antibodies against the agent in workers in poultry abattoirs in Santiago, Chile). J Vet Med B 1986; 33:676-684
1985 Araya M, Figueroa G, Espinoza J, Montesinos N, Spencer E, Brunser O. Acute diarrhoeal disease in children under 7 years of age in a peri-urban slum of Santiago, Chile. J Hyg (Camb.) 1985; 95:457-467
1983 Figueroa G, Troncoso M, Araya M, Espinoza J, Brunser O. Enteropathogen carriage by healthy individuals living in an area with poor sanitation. J Hyg (Lond) 1983; 91(3):499-507
1983 Figueroa G, Troncoso M, Araya M, Espinoza J, Brunser O. Enteropathogen carriage by healthy individuals living in an area with poor sanitation. J Hyg (Lond) 1983; 91(3):499-507
2015 Ipinza-Regla J, González D, Figueroa G. Hormiga argentina Linepithema humile Mayr, 1868 (Hymenoptera: Formicidae) y su rol como posible vector de contaminación microbiana en una lechería de cabras Capra hircus Linnaeus, 1758 (Artiodactyla: Bovidae) (Argentine ant Linepithema humile Mayr, 1868 (Hymenoptera: Formicidae) and its role as a possible vector of microbial contamination in a dairy goat farm Capra hircus Linnaeus, 1758 (Artiodactyla: Bovidae). Arch Med Vet 2015; 47:317-323
2013 González-Hein G,Cordero N,García N,Figueroa G. Análisis molecular de la resistencia a fluoroquinolonas y macrólidos en aislados de Campylobacter jejuni de humanos, bovinos y carne de ave (Molecular analysis of fluoroquinolones and macrolides resistance in Campylobacter jejuni isolates from humans, bovine and chicken meat). Rev Chil Infectol 2013; 30(2):135-139
2002 Figueroa G, Navarrete P, Caro M, Troncoso M, Faundez G. Portación de Staphylococcus aureus enterotoxigénicos en manipuladores de alimentos (Carriage of enterotoxigenic Staphylococcus aureus in food handlers). Rev Med Chil 2002; 130(8):859-864
2000 Figueroa G, Troncoso M, Toledo MS, Acuña R. Aplicación de la serología para confirmar la erradicación de Helicobacter pylori en pacientes con úlcera péptica (Serological assessment of Helicobacter pylori eradication in peptic ulcer patients). Rev Med Chil 2000; 128:1119-1126
2000 Cornejo A, Figueroa G. Susceptibilidad a antibióticos de Helicobacter pylori aislados de sujetos chilenos (Antimicrobials susceptibility of Helicobacter pylori isolated from Chilean individuals. An Microbiol 2000; 3(1):100-103
2000 Figueroa G. Estrategias para prevenir la contaminación microbiana: patógenos alimentarios emergentes (Strategies to prevent microbial contamination: Emerging food pathogens). Rev Chil Nutr 2000; 27(3):332-339
1996 Portell DP, Figueroa G, Toledo MS, Troncoso M, Acuña R. Estudio prospectivo de erradicación de H. pylori en ulcerosos duodenales: análisis de biopsias de antro y cuerpo gástrico (Analysis of antral and gastric body biopsies and H. pylori colonization in duodenal ulcer patients). Rev Med Chil 1996; 124:21-25
1996 Portell DP, Toledo MS, Troncoso M, Figueroa G. Prevalencia de anticuerpos. IgG séricos contra el antígeno CagA de H. pylori en pacientes con patología gástrica y controles (Prevalence of IgG antibodies against H. pylori CagA antigen in gastric patients and healthy control). Acta Microbiol 1996; 6(Supl 1):29-31
1994 Soto V, Portell DP, Figueroa G. Helicobacter pylori: actividad de la citotoxina vacuolizante (Helicobacter pylori: vacuolating cytotoxin). An Microbiol 1994; 2(1):47-50
1994 Troncoso M, Figueroa G, Acuña R, Portell DP, Toledo MS, Soto V, Albornoz V, Vigneaux J. Terapia antibiótica para Helicobacter pylori en pacientes con úlcera duodenal (Antibiotic therapy to Helicobacter pylori in duodenal ulcers patients). An Microbiol 1994; 2(1):11-14
1993 Portell DP, Figueroa G, Troncoso M, Soto V. Patogenicidad de Yersinia ruckeri en salmonideos (Pathogenicity of yersinia ruckeri in salmonids). Anal Microbiol 1993; 1(1):41-44
1993 Toledo MS, Troncoso M, Portell DP, Figueroa G. Brote causado por Yersinia ruckeri en salmonidos en cultivo (Outbreak due to Yersinia ruckeri in cultured salmonids). An Microbiol 1993; 1(1):59-62
1991 Figueroa G, Jashes M, Faundez G, Toledo MS, Troncoso M, Aguad L. Evaluación de un ensayo inmunoenzimático para el diagnóstico de la fiebre tifoidea (Evaluation of an Elisa method to diagnose typhoid fever). Rev Med Chil 1991; 119:506-511
1991 Alvarez ML, Espinoza J, Figueroa G, Diaz M, Wurgaft F. Los hábitos de higiene a nivel familiar y fiebre tifoidea (Family hygiene and typhoid fever). Rev Med Chil 1991; 119(1):84-91
1990 Figueroa G, Acuña R, Jashes M, Troncoso M, Toledo MS, Arellano L. Respuesta de anticuerpos IgC en pacientes colonizados por Helicobacter pylori (Antibodies to Helicobacter pylori in colonized patients with gastric symptoms and in asymptomatic groups). Rev Med Chil 1990; 118(11):1195-1200
1989 Figueroa G, Soto V, Alcayde MP, Romero S. Potencial enteropatogénico de aislados fecales de Aeromonas spp(Enteropathogenicity of fecal Aeromonas spp isolates). Acta Microbiol 1989; 2(1):57-63
1987 Fernandez H, Figueroa G. Campylobacter gastro-entéricos: bacteriología, epidemiología y patogenia (Gastroenteric Campylobacter: bacteriology, epidemiology and pathogenesis). Adel Microbiol Enf Infec 1987; 6(1):1-26
1986 Figueroa G, Alcayde MP, Soto V, Ross O. Adherencia in vitro de Escherichia coli 0111 a células HEp-2 (In vitro adherence to HEp-2 cells and plasmid DNA content of Escherichia coli). Rev Chil Pediatr 1986; 57:325-330
1986 Figueroa G, Toledo MS, Acuña R, Palma R. Aislamiento de Campylobacter pyloridis en pacientes con patología gástrica (Isolation of Campylobacter pyloridis in patients with gastric conditions). Rev Med Chil 1986; 114:618-622
1986 Troncoso M, Bustos ME, Soto V, Figueroa G. Caracterización de Escherichia coli enteroinvasora en lactantes con diarrea aguda (Characterization of enteropathogenic Escherichia coli in infants with acute diarrhea). Rev Med Chil 1986; 114:195-198
1985 Bustos ME, Troncoso M, Toledo MS, Figueroa G. Transferencia plasmidial de multirresistencia en cepas enteropatógenas de Escherichia coli serogrupo 0.111 (Transference of multiresistance to antibiotics by plasmids in enteropathogenic 0111. E. coli). Rev Chil Pediatr 1985; 56(6):446-450
1985 Figueroa G, Toledo MS, Troncoso M, Bustos ME. Confirmación serológica de Escherichia coli enteropatógena (Serologic confirmation of enteropathogenic Escherichia coli). Rev Chil Tecnol Med 1985; 8(1):311-314
1985 Fritz V, Troncoso M, Figueroa G. Aislamiento, estudio de transferencia y caracterización de plasmidios de resistencia a antibióticos en enterobacteriáceas obtenidas de cecinas (Isolation, transfer study and characterization of plasmids of antibiotic resistance in enterobacteria obtained from hung beef). Alimentos 1985; 10(3):21-25
1985 Araya M, Figueroa G. Flora residente intestinal. Funciones fisiológicas y alteraciones (Resident intestinal flora. A review of physiological aspects and alterations). Rev Chil Pediatr 1985; 56(6):491-497
1985 Figueroa G, Araya M. Infecciones sintomáticas y asintomáticas por Campylobacter jejuni (Symptomatic and asymptomatic infections due to Campylobacter jejuni). Rev Chil Pediatr 1985; 56(6):486-490
1985 Cordero P, Araya M, Espinoza J, Figueroa G, Pacheco I, Brunser O. Efecto de la hidratación oral y realimentación precoz en la evolución de la diarrea aguda del lactante (Oral rehydration and early refeeding in infants with acute diarrhoea). Rev Chil Pediatr 1985; 56(6):412-418
1984 Figueroa G, Alcayde MP, Bustos ME, Troncoso M. Resistencia a los antibióticos en cepas enterotoxigénicas de E. coli (Resistance to antibiotics of enterotoxigenic strains E. coli). Rev Chil Tecnol Med 1984; 7(1-2):272-276
1982 Figueroa G, Toledo MS, Troncoso M, Sepúlveda C. Aislamiento de Campylobacter fetus sub-especie jejuni en pollos broiler (Isolation of Campylobacter fetus subespecie jejuni from broiler chickens). Rev Chil Nutr 1982; 10(1):87-98
2008 Aguilera JM, Figueroa G, Vio F. Innovación para la potencia alimentaria: Diagnóstico de recursos humanos e infraestructura en tecnología, inocuidad y calidad de alimentos (Food power country innovation policy: Human resources and infrastructure diagnosis for technology, food safety and food quality). Santiago: Ministerio de Agricultura; Fundación Chile; 2008
2009 Figueroa G. Propiedades antimocrobianas del cobre (Antimicrobial properties of copper). En: Sierralta H., editor. Cobre: Salud, medio ambiente y nuevas tecnologías. Santiago:INTA, ProCOBRE Connects Life, Conmetal, InnovaChile CORFO,COPPER ICA; 2009. p. 31-56
1998 King J, Figueroa G, De Pablo S. Use de ionizing radiation in refrigerated foods. In: International Atomic Energy Agency. Combination process for food irradiation: proceedings of the final research co-ordination meeting of the co-ordinated research programme on irradiation in combination with other processes for improving food quality; 27 February -3 March 1995; Pretoria, South Africa. Vienna: IAEA/FAO; 1998. p. 181-200
1998 Figueroa G, Troncoso M, Toledo MS, Lopez C, Lemus S. Campylobacter jejuni in Chilean broilers: a comparison between 1982-1996. In: Lastovica A, Newell D, Lastovica E., editors. Campylobacter, Helicobacter & Related Organisms: Proceedings of the 9th International Workshop on Campylobacter, Helicobacter & Related Organisms, held in Cape Town, South Africa, 15-19 September 1997. Cape Town, South Africa; 1998. p. 373-376
1998 Figueroa G, Troncoso M, Toledo MS, Acuña R, Valenzuela J. CagA and VacA antibodies in Helicobacter pylori colonised chileans. In: Lastovica A, Newell D, Lastovica E., editors. Campylobacter, Helicobacter & Related Organisms: Proceedings of the 9th International Workshop on Campylobacter, Helicobacter & Related Organisms held in Cape Town, South Africa, 15-19 September 1997. Cape Town, South Africa, 1998. p. 547-552
1993 Figueroa G. La contaminación microbiana de los alimentos (Microbiological contamination of foods). En: Marcus D., editor. Contaminación ambiental y su impacto en los alimentos. Santiago: Universidad de Chile, INTA; 1993. p.27-34
1991 Figueroa G, Galeno H, Troncoso M. Enteric campylobacteriosis in Chilean infants evaluated by culture and serology. In: Ruiz G, Calva E, Ruiz B., editors. Campylobacter V: Proceedings of the Fifth International Workshop on Campylobacter Infections; Puerto Vallarta, México, February 25 - March 1, 1989. Mexico: Instituto Nacional de la Nutrición "Salvador Zubirán; 1991. p. 13-15
1989 Espinoza J, Araya M, Pacheco I, Figueroa G, Spencer E, Brunser O. Diarrea aguda en una población infantil marginal de Santiago de Chile (Acute diarrhea in a marginal infant population of Santiago, Chile). En: Lattes AE, Farren M, MacDonald J., compiladores. Salud, enfermedad y muerte de los niños en América Latina. Ottawa; CLACSO/IDRC; 1989. p.207-223
1994 Troncoso M, Toledo MS, Portell DP, Figueroa G. Aislamiento de Yersinia ruckeri en salmónidos de cultivos (Isolation of Yersinia ruckeri in salmons reared in 10th and 11th regions of Chile). Avances en Ciencias Veterinarias 1994; 9(2):122-127
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