[Penicillin-resistant syphilitic chancre].
D002601:Chancre; D006801:Humans; D010406:Penicillins / Q000627:therapeutic use*; D013587:Syphilis
D010406:Penicillins
PENICILLIN/therapeutic use; SYPHILIS
Chancro sifilitico rebelde a la accion de la penicilina.