title: Plasmid studies of drug-resistant epidemic strains of Salmonella typhimurium belonging to phage types 204 and 193.
mesh_terms: D000900:Anti-Bacterial Agents / Q000494:pharmacology; D001434:Bacteriophage Typing; D004269:DNA, Bacterial / Q000302:isolation & purification; D011815:R Factors; D012483:Salmonella Phages; D012486:Salmonella typhimurium / Q000187:drug effects / Q000235:genetics*; D014169:Transformation, Bacterial
chemical_list: D000900:Anti-Bacterial Agents; D004269:DNA, Bacterial