The problem of acute pyogenic infection in patients hypersensitive to penicillin.
D006801:Humans; D010406:Penicillins / Q000009:adverse effects*; D011342:Procainamide / Q000627:therapeutic use*
D010406:Penicillins; D011342:Procainamide
PENICILLIN/injurious effects; PROCAINE AMIDE/therapeutic use