title: HIV infection, genital ulcer disease, and crack cocaine use among patients attending a clinic for sexually transmitted disease.
mesh_terms: D016578:Crack Cocaine; D005260:Female; D005831:Genital Diseases, Female / Q000150:complications; D005832:Genital Diseases, Male / Q000150:complications; D015658:HIV Infections / Q000150:complications*; D006801:Humans; D008297:Male; D012749:Sexually Transmitted Diseases / Q000150:complications; D019966:Substance-Related Disorders / Q000150:complications
chemical_list: D016578:Crack Cocaine