mean resistance rates of staphylococcus aureus isolated in 12 athens hospitals in the second half of 1986 were 80 % for penicillin , 32 % for methicillin , 22 % for gentamicin , 27 % for erythromycin , 17 % for lincomycin and 16 % for co-trimoxazole .
C0030842
penicillin
C0025643
methicillin