title: Transfer of drug-resistance (R factor) among strains of Escherichia coli in gnotobiotic pigs.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology; D000818:Animals; D002701:Chloramphenicol / Q000494:pharmacology; D004926:Escherichia coli / Q000187:drug effects; D005243:Feces / Q000382:microbiology; D005827:Genetics, Microbial; D005856:Germ-Free Life; D007612:Kanamycin / Q000494:pharmacology; D008826:Microbial Sensitivity Tests; D009268:Nalidixic Acid / Q000494:pharmacology; D010403:Penicillin Resistance; D013307:Streptomycin / Q000494:pharmacology; D013412:Sulfadimethoxine / Q000494:pharmacology; D013552:Swine; D013752:Tetracycline / Q000494:pharmacology
chemical_list: D013412:Sulfadimethoxine; D009268:Nalidixic Acid; D007612:Kanamycin; D002701:Chloramphenicol; D000667:Ampicillin; D013752:Tetracycline; D013307:Streptomycin