Threlfall, E J Emergence of multiple drug resistance in Vibrio cholerae O1 El Tor from Ecuador. [electronic resource] - Lancet (London, England) Nov 1993 - 1173 p. digital Publication Type: Letter ISSN: 0140-6736 Standard No.: 10.1016/0140-6736(93)92156-n doi Subjects--Topical Terms: Anti-Bacterial Agents--pharmacologyCholera--drug therapyDrug Resistance, MicrobialEcuadorHumansMicrobial Sensitivity TestsVibrio cholerae--drug effects