title: The problem of R-factor mediated multiple antibiotic resistance in Arizona.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D001130:Arizona; D002489:Central America; D004352:Drug Resistance, Microbial; D004405:Dysentery, Bacillary / Q000188:drug therapy; D005111:Extrachromosomal Inheritance; D006801:Humans; D008800:Mexico; D012485:Salmonella typhi / Q000187:drug effects*; D012762:Shigella dysenteriae / Q000187:drug effects*
chemical_list: D000900:Anti-Bacterial Agents