L forms of bacteria and their role in the origin of penicillin resistance.
D001419:Bacteria; D007740:L Forms; D010403:Penicillin Resistance; D010406:Penicillins / Q000494:pharmacology*; D011514:Proteus vulgaris / Q000187:drug effects*
D010406:Penicillins
BACTERIA; PENICILLIN/effects; PROTEUS VULGARIS/effect of drugs on