title: Time of heroin use.
authors.forename: Amanda J
authors.initials: AJ
authors.lastname: Jenkins
authors.forename: Edward J
authors.initials: EJ
authors.lastname: Cone
mesh_terms: D003932:Heroin / Q000097:blood*; D006556:Heroin Dependence / Q000175:diagnosis*; D006801:Humans; D008433:Mathematics; D013997:Time Factors
chemical_list: D003932:Heroin