PT - JOURNAL ARTICLE AU - A Soendjojo AU - A Idajadi AU - Y Barakbah AU - M I Ilias TI - Penicillinase-producing Neisseria gonorrhoeae isolated in Surabaya. AID - 10.1136/sti.57.6.376 DP - 1981 Dec 01 TA - The British Journal of Venereal Diseases PG - 376--377 VI - 57 IP - 6 4099 - http://sti.bmj.com/content/57/6/376.short 4100 - http://sti.bmj.com/content/57/6/376.full SO - Br J Vener Dis1981 Dec 01; 57 AB - Although penicillinase-producing strains of Neisseria gonorrhoeae (PPNG) were discovered in 1976 in neighbouring countries, not until 1980 were such strains isolated and identified in Indonesia. In that year PPNG were detected in three male patients with gonococcal urethritis in Surabaya. The minimum inhibitory concentration of penicillin G for all three strains was 12 . 5 microgram/ml.