论文数: 0 引用数: 0
h-index: 0
机构:
Johns Hopkins Sch Med, Div Addict Med, Baltimore, MD USA
Johns Hopkins Sch Publ Hlth, Dept Epidemiol, Baltimore, MD USA
Univ Calif San Francisco, Family Community Med, San Francisco, CA 94143 USA Univ Colorado, Div Gen Internal Med, Dept Med, Aurora, CO USA