Cyclic variations in the resistance in Staphylococci isolated from surgical infections during the past five years.
D001669:Biochemical Phenomena; D006801:Humans; D008837:Micrococcus / Q000187:drug effects*; D010406:Penicillins / Q000494:pharmacology*; D013210:Staphylococcus; D013211:Staphylococcus aureus
D010406:Penicillins
MICROCOCCUS PYOGENES/effect of drugs on; PENICILLIN/effects