the staphylococcus produced large amounts of a penicillin -degrading betalactamase . we reviewed the records of ten cases of pneumococcus pneumonia from the wayne state university-detroit medical center admitted from march 1978 to april 1981 , in which sputum cultures were repeated within one to ten days after penicillin g had been initiated .
C0030842
penicillin
C0030827
penicillin g