Letter: Male-sex-organ function in drug users.
D000437:Alcoholism / Q000503:physiopathology; D000818:Animals; D002188:Cannabis / Q000009:adverse effects; D005837:Genitalia, Male / Q000503:physiopathology*; D003932:Heroin / Q000008:administration & dosage; D006556:Heroin Dependence / Q000503:physiopathology; D006801:Humans; D008297:Male; D008691:Methadone / Q000008:administration & dosage; D013091:Spermatogenesis / Q000187:drug effects; D019966:Substance-Related Disorders / Q000097:blood / Q000503:physiopathology*; D013739:Testosterone / Q000097:blood
D013739:Testosterone; D003932:Heroin; D008691:Methadone