title: R factors and antibiotic usage.
mesh_terms: D000900:Anti-Bacterial Agents / Q000009:adverse effects / Q000494:pharmacology*; D001419:Bacteria / Q000187:drug effects; D002056:Burns / Q000382:microbiology; D002228:Carbenicillin / Q000494:pharmacology; D003428:Cross Infection / Q000382:microbiology; D005111:Extrachromosomal Inheritance; D005827:Genetics, Microbial; D006801:Humans; D010403:Penicillin Resistance; D011550:Pseudomonas aeruginosa / Q000187:drug effects
chemical_list: D000900:Anti-Bacterial Agents; D002228:Carbenicillin