Li Ting-Kai, Volkow Nora D, Baler Ruben D, Egli Mark
National Institute on Alcohol Abuse and Alcoholism, National Institutes of Health, Department of Health and Human Services, Bethesda, MD 20892-9589, USA.
Biol Psychiatry. 2007 Jan 1;61(1):1-3. doi: 10.1016/j.biopsych.2006.11.004.