title: Some inadequacies of culture transfer data as indices of drug resistance rates.
authors.forename: H P
authors.initials: HP
authors.lastname: TREFFERS
mesh_terms: D004351:Drug Resistance; D004926:Escherichia coli / Q000208:ethnology*; D012762:Shigella dysenteriae / Q000208:ethnology*
keywords: ESCHERICHIA COLI/culture; SHIGELLA DYSENTERIAE/culture