title: 5th National Conference on Methadone Treatment. March 17-19, 1973. Washington, D.C. Proceedings. I.
mesh_terms: D003226:Congresses as Topic; D004219:District of Columbia; D006556:Heroin Dependence / Q000188:drug therapy*; D006801:Humans; D008691:Methadone / Q000627:therapeutic use*
chemical_list: D008691:Methadone