title: Variants of Vibrio cholerae O1 El Tor from Zambia showed new genotypes of ctxB.
authors.forename: M A
authors.initials: MA
authors.lastname: Marin
authors.forename: A C P
authors.initials: AC
authors.lastname: Vicente
mesh_terms: D002771:Cholera / Q000382:microbiology*; D004269:DNA, Bacterial / Q000235:genetics*; D006801:Humans; D058889:Molecular Typing; D041241:Vibrio cholerae O1 / Q000145:classification* / Q000235:genetics*
chemical_list: D004269:DNA, Bacterial