title: Airway obstruction and heroin inhalation.
mesh_terms: D000280:Administration, Inhalation; D000328:Adult; D000402:Airway Obstruction / Q000139:chemically induced*; D003932:Heroin / Q000008:administration & dosage*; D006801:Humans; D008297:Male; D011446:Prospective Studies; D019966:Substance-Related Disorders / Q000150:complications*; D013997:Time Factors
chemical_list: D003932:Heroin