[Presence of R factors in strains of Salmonella typhimurium].
D000900:Anti-Bacterial Agents / Q000494:pharmacology*; D004352:Drug Resistance, Microbial; D006801:Humans; D012486:Salmonella typhimurium / Q000187:drug effects*
D000900:Anti-Bacterial Agents
Presenza di fattori R in stipiti di "Salmonella typhi murium".