title: [Drug resistance and distribution of R factors in Escherichia coli strains isolated from domestic fowls].
mesh_terms: D000818:Animals; D002645:Chickens; D002701:Chloramphenicol / Q000494:pharmacology; D004352:Drug Resistance, Microbial; D004926:Escherichia coli / Q000187:drug effects* / Q000302:isolation & purification; D005243:Feces / Q000382:microbiology; D005827:Genetics, Microbial; D013307:Streptomycin / Q000494:pharmacology; D013449:Sulfonamides / Q000494:pharmacology; D013752:Tetracycline / Q000494:pharmacology
chemical_list: D013449:Sulfonamides; D002701:Chloramphenicol; D013752:Tetracycline; D013307:Streptomycin