[Studies of some penicillinates of beta-hydroxyethylpiperazine-methyltetracycline].
D001419:Bacteria / Q000187:drug effects*; D010406:Penicillins / Q000138:chemical synthesis / Q000494:pharmacology*; D013752:Tetracycline / Q000138:chemical synthesis* / Q000494:pharmacology*
D010406:Penicillins; D013752:Tetracycline
Badania niektórych penicylinianów beta-hydroksyetylopiperazynometylotetracykliny.