title: Demonstration of R factors in enteric bacteria isolated at the Boston City Hospital.
mesh_terms: D001900:Boston; D002701:Chloramphenicol / Q000494:pharmacology; D003470:Culture Media; D004352:Drug Resistance, Microbial; D004754:Enterobacter / Q000302:isolation & purification; D004755:Enterobacteriaceae / Q000302:isolation & purification*; D004926:Escherichia coli / Q000302:isolation & purification; D006769:Hospitals, General; D006801:Humans; D007709:Klebsiella / Q000302:isolation & purification; D011511:Proteus / Q000302:isolation & purification; D012705:Serratia / Q000302:isolation & purification; D013307:Streptomycin / Q000494:pharmacology; D013424:Sulfanilamides / Q000494:pharmacology; D013752:Tetracycline / Q000494:pharmacology
chemical_list: D003470:Culture Media; D013424:Sulfanilamides; D002701:Chloramphenicol; D013752:Tetracycline; D013307:Streptomycin