Dole Vincent P., Nyswander Marie (1965). "A Medical Treatment for Diacetylmorphine (Heroin) Addiction: A Clinical Trial With Methadone Hydrochloride". Journal of the American Medical Association. 193 (8): 80–84. doi:10.1001/jama.1965.03090080008002. PMID14321530.
Dole Vincent P., Nyswander Marie (1965). "A Medical Treatment for Diacetylmorphine (Heroin) Addiction: A Clinical Trial With Methadone Hydrochloride". Journal of the American Medical Association. 193 (8): 80–84. doi:10.1001/jama.1965.03090080008002. PMID14321530.