title: Sex and heroin.
mesh_terms: D004328:Drive / Q000187:drug effects*; D006556:Heroin Dependence / Q000523:psychology*; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood; D008297:Male; D013739:Testosterone / Q000097:blood
chemical_list: D013739:Testosterone; D007986:Luteinizing Hormone