Detection of tetracycline resistance genes by PCR methods / R.I. Aminov [and others] -- Integron analysis and genetic mapping of antimicrobial resistance genes in salmonella enterica serotype typhimurium / M. Daly and S. Fanning -- Molecular-based identification and typing of campylobacter jejuni and C. coli / B. Lucey, F. O'Halloran and S. Fanning -- Molecular genotyping methods and computerized analysis for the study of salmonella enterica / A.B. Vivanco [and others] -- Detection of infectious rotaviruses by flow cytometry / A. Bosch [and others] -- Integrated cell culture/PCR for detection of enteric viruses in environmental samples / K.A. Reynolds -- Abundance in sewage of bacteriophages infecting escherichia coli o157:H7 / M. Muniesa and J. Jofre -- Molecular genotyping of Irish rotavirus strains / F. O'Halloran and S. Fanning -- Hepatitis a virus: Molecular detection and typing / G. Sanchez [and others] -- Typing fungal isolates: Molecular methods and computerized analysis / A. Rementeria [and others] -- Fungal isolation and enumeration in foods / D.J. Bueno, J.O. Silva and G. Oliver -- Determination of aflatoxins and zearalenone in different culture media / D.J. Bueno and G. Oliver -- Intracellular multiplication of legionella species and the influence of amoebae on their intracellular growth in human monocytes: Mono Mac 6 cells and acanthamoeba castellanii as suitable in vitro models / B. Neumeister -- Viability of amoebae, fungal conidia, and yeasts: Rapid assessment by flow cytometry / J.A. Noble-Wang [and others] -- Detection and differentiation of cryptosporidium oocysts in water by PCR-RFLP / L. Xiao, A.A. Lal and J. Jiang -- Genotyping of cryptosporidium parvum with microsatellite markers / G. Widmer, X. Feng and S. Tanriverdi -- Immunomagnetic separation of pathogenic organisms from environmental matrices / G.P. Yakub and K.L. Stadterman-Knauer -- Detection of erysipelothrix rhusiopathiae in clinical and environmental samples / S.G. Fidalgo and T.V. Riley -- Interaction between lactic acid bacteria and gastrointestinal nematodes of caprine origin / D. Draksler, M.C. Monferran and S. Gonzalez -- Molecular detection of genes responsible for cyanobacterial toxin production in the genera microcystis, nodularia, and cylindrospermopsis / B.P. Burns [and others] -- Purification of antilisterial bacteriocins / J.M. Berjeaud and Y. Cenatiempo -- The hazard analysis and critical control point system in food safety / A.G. Herrera -- Testing disinfectants in the food factory: Phenol coefficient method / A.G. Herrera -- Nontraditional method of evaluating disinfectants: With isolated microorganisms from the food factory / A.G. Herrera -- Microbiological analysis of cosmetics / A.G. Herrera -- Helicobacter pylori and food products: A public health problem / A.G. Herrera -- Microbiological test for sanitation of equipment in the food factory / A.G. Herrera -- Spectrophotometric determination of histamine in fisheries using an enzyme immunoassay method / T.L. Pessatti, J.D. Fontana and M.L. Pessatti -- Flavonoids from Argentine tagetes (asteraceae) with antimicrobial activity / M.L. Tereschuk [and others] -- Purification of bacteriocins produced by lactic acid bacteria / L. Saavedra, P. Castellano and F. Sesma -- Production of antimicrobial substances by lactic acid bacteria i: Determination of hydrogen peroxide / M.S. Tomas [and others] -- Production of antimicrobial substances by lactic acid bacteria ii: Screening bacteriocin-producing strains with probiotic purposes and characterization of a lactobacillus bacteriocin / V.S. Ocana and M. Elena Nader-Macias -- Statistical models to optimize production of probiotic characteristics / M.S. Tomas, E. Bru and M. Elena Nader-Macias -- Meat-model system development for antibacterial activity determination / G. Vignolo and P. Castellano -- Colonization capability of lactobacilli and pathogens in the respiratory tract of mice: Microbiological, cytological, structural, and ultrastructural studies / R. Cangemi de Gutierrez, V.M. Santos and M.E. Nader-Macias -- Effects of estrogen administration on the colonization capability of lactobacilli and escherichia coli in the urinary tracts of mice / C. Silva, R. Rey and M. Elena Nader-Macias -- Effect of lactobacilli administration in the vaginal tract of mice: Evaluation of side effects and local immune response by local administration of selected strains / E. Vintini, V. Ocana and M. Elena Nader-Macias -- Determination of bacterial adhesion to intestinal mucus / C. Gusils, V. Morata and S. Gonzalez -- Animal model for in vivo evaluation of cholesterol reduction by lactic acid bacteria / M.P. Taranto [and others] -- Assessing survival of dairy propionibacteria in gastrointestinal conditions and adherence to intestinal epithelia / G. Zarate, S. Gonzalez and A.P. Chaia -- Bacterial surface characteristics applied to selection of probiotic microorganisms / M.C. Otero, V.S. Ocana and M. Elena Nader-Macias -- Adhesion ability of lactobacillus to vaginal epithelial cells: Study by microbiological methods / V.S. Ocana and M. Elena Nader-Macias -- Hydroxylapatite beads as an experimental model to study the adhesion of lactic acid bacteria from the oral cavity to hard tissues / C. Ostengo Mdel and M. Elena Nader-Macias -- Microtechnique for identification of lactic acid bacteria / C. Gusils [and others] -- Differentiation of lactic acid bacteria strains by postelectrophoretic detection of esterases / R.B. Medina, M.B. Katz and S. Gonzalez -- Determination of esterolytic and lipolytic activities of lactic acid bacteria / R.B. Medina [and others] -- Meat-model system development for proteolytic activity determination / G. Vignolo [and others] -- Beta-glucuronidase method to determine mastitis levels in goat milk / R. Oliszewski [and others] -- Differences between biogenic amine detection by HPLC methods using opa and dansyl derivates / M.R. Alberto, M.E. Arena and M.C. De Nadra -- Microflora of the gastrointestinal tract: A review / W.L. Hao and Y.K. Lee -- Public health implications related to spread of pathogens in manure from livestock and poultry operations / J.L. Spencer and J. Guan -- Molecular aspects of disease pathogenesis in the transmissible spongiform encephalopathies / S.A. Priola and I. Vorberg.