the percentages of patients with organisms resistant to various antibiotics were : nafcillin ( 100 % ) , penicillin ( 100 % ) , cephalothin ( 93 % ) , cefamandole ( 80 % ) , streptomycin ( 67 % ) , and gentamicin ( 20 % ) .
C0027324
nafcillin
C0030842
penicillin