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We collected Escherichia coli strains from 59 Nepalese porters in 1971 and surveyed for their drug resistance. Drug-resistant E. coli strains were isolated from four porters. (TC. CM. SM. SA. APC.)-resistant strains were isolated from two porters and SA- or APC-resistant strains were isolated from each of the others. The R factors were demonstrated from the multiple-resistant E. coli strains.
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Tanaka et al. (1978) studied this question.
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