title: [ON BIOLOGICAL STATUS OF THE R FACTOR].
mesh_terms: D001435:Bacteriophages; D001695:Biology; D002701:Chloramphenicol; D004351:Drug Resistance; D004352:Drug Resistance, Microbial; D004926:Escherichia coli; D010600:Pharmacology; D011815:R Factors; D012106:Research; D012475:Salmonella; D013307:Streptomycin; D000077145:Sulfanilamide; D013424:Sulfanilamides; D013752:Tetracycline
chemical_list: D013424:Sulfanilamides; D000077145:Sulfanilamide; D002701:Chloramphenicol; D013752:Tetracycline; D013307:Streptomycin
keywords: BACTERIOPHAGE; BIOLOGY; CHLORAMPHENICOL; DRUG RESISTANCE, MICROBIAL; ESCHERICHIA COLI; EXPERIMENTAL LAB STUDY; PHARMACOLOGY; SALMONELLA; STREPTOMYCIN; SULFANILAMIDE; TETRACYCLINE