Acquired resistance to penicillin and to neoarsphenamine in Spirochaeta recurrentis.
D001153:Arsphenamine / Q000494:pharmacology* / Q000031:analogs & derivatives; D001898:Borrelia; D006801:Humans; D010406:Penicillins / Q000494:pharmacology*; D013142:Spirochaeta
D010406:Penicillins; D001153:Arsphenamine; C073331:neoarsphenamine
ARSPHENAMINES/effects; BORRELIA; PENICILLIN/effects