Browsing by Author "Callejas, Lorena"
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Silva, Juan; Castillo, Gabriela; Callejas, Lorena; López, Héctor; Olmos, Janet (UNIV CATOLICA DE VALPARAISO, 2006-10-15)Antibiotic-resistant coliform bacteria from raw and treated water from activated sludge of a sewage treatment plant were isolated on eosin methylene blue agar (EMB) plates in the separate presence of ampicillin, tetracycline, ...