title: [Studies on Hetacillin].
mesh_terms: D000328:Adult; D000368:Aged; D000818:Animals; D002764:Cholecystitis / Q000188:drug therapy; D004926:Escherichia coli / Q000187:drug effects*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010406:Penicillins / Q000378:metabolism / Q000494:pharmacology* / Q000627:therapeutic use; D011704:Pyelonephritis / Q000188:drug therapy; D051381:Rats; D013210:Staphylococcus / Q000187:drug effects*
chemical_list: D010406:Penicillins