South African medical journal = Suid-Afrikaanse tydskrif vir geneeskunde
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The susceptibility of 175 clinical isolates of Neisseria gonorrhoeae to penicillin G, ampicillin, erythromycin, tetracycline and spectinomycin was determined. Almost one-fifth of strains were relatively resistant to penicillin G. ⋯ No penicillinase-producing or spectinomycin-resistant strains were encountered in this study. The relevance of the findings to the management of gonococcal urethritis is discussed.