title: Evolution and spread of tetracycline resistance determinants.
authors.affiliation: Department of Medicine, Tufts University School of Medicine, Boston, MA.
authors.forename: S B
authors.initials: SB
authors.lastname: Levy
mesh_terms: D001419:Bacteria / Q000187:drug effects / Q000235:genetics; D004269:DNA, Bacterial / Q000235:genetics; D010957:Plasmids; D013753:Tetracycline Resistance / Q000235:genetics*
chemical_list: D004269:DNA, Bacterial