title: Acute heroin withdrawal in Viet Nam. An immunochemical evaluation of excretion.
mesh_terms: D000328:Adult; D002250:Carbon Radioisotopes; D006556:Heroin Dependence / Q000276:immunology* / Q000652:urine; D006801:Humans; D007118:Immunoassay; D008889:Military Personnel; D009020:Morphine / Q000652:urine; D013375:Substance Withdrawal Syndrome / Q000276:immunology* / Q000652:urine; D013997:Time Factors; D014481:United States; D014744:Vietnam
chemical_list: D002250:Carbon Radioisotopes; D009020:Morphine