6Berkman L, Kawachi I. Social Epidemiology [M]. New York: Oxford University Press, 2000.
7House JS. Understanding Social Factors and inequalities in Health: 20th Century progress and 21st Century Prospects [J]. J Health Soc Behav, 2001,43(2) : 125-142.
8Poundstone K, Strathdee SA, Celentano DD. The social epidemiology of human immunodeficiency virus/acquired immunod- eficiency syndrome [J]. Epidemiol Rev, 2004,26:22-35.
