. . . . "a penicillinase-resistant form of penicillin (trade name Nafcil) used (usually in the form of its sodium salt) to treat infections caused by penicillin-resistant strains of staphylococci"@en-us . . . . . "nafcillin"^^ . "03804493-n"^^ . . "0"^^ . "0"^^ . "nafcillin"@en-us . "103661528"@en-us . . "103804493"^^ . . "Nafcil"@en-us .