VD--a growing problem.
D002690:Chlamydia Infections / Q000453:epidemiology; D002692:Chlamydia trachomatis; D005260:Female; D006509:Hepatitis B / Q000635:transmission; D006558:Herpes Genitalis / Q000453:epidemiology; D006716:Homosexuality; D006801:Humans; D007153:Immunologic Deficiency Syndromes / Q000453:epidemiology; D008297:Male; D009344:Neisseria gonorrhoeae / Q000378:metabolism; D010405:Penicillinase / Q000096:biosynthesis; D011247:Pregnancy; D012749:Sexually Transmitted Diseases / Q000453:epidemiology* / Q000635:transmission
D010405:Penicillinase