| Authors: |
Raithel CU; National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, 251 Bayview Blvd, Baltimore, MD 21224., Sherman GT; National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, 251 Bayview Blvd, Baltimore, MD 21224., Epstein DH; National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, 251 Bayview Blvd, Baltimore, MD 21224., Kahnt T; National Institute on Drug Abuse, Intramural Research Program, National Institutes of Health, 251 Bayview Blvd, Baltimore, MD 21224. |