title: Editorial: Heroin deaths--mystery or overdose?
mesh_terms: D003645:Death, Sudden; D004340:Drug Contamination; D004361:Drug Tolerance; D000431:Ethanol / Q000097:blood; D003932:Heroin / Q000008:administration & dosage; D006556:Heroin Dependence / Q000401:mortality*; D006801:Humans; D009020:Morphine / Q000097:blood; D013997:Time Factors
chemical_list: D000431:Ethanol; D003932:Heroin; D009020:Morphine