6Resnik D B. Financial interests and research bias[J]. Perspectives on Science, 2000,8(3):255-285.
7Gibbons M, Scott P, Nowomy H, et al. The New Pro- duction of Knowledge[M]. Los Angeles: Sage, 1994.
8Goldfarb B. The effect of government contracting on ac- ademic research: Does the source of funding affect sci- entific output[J]. Research Policy, 2008,37(i):41-58.
9Dietz H E Bias in research and conflict of interest: Why should we care?[J]. International Urogynecology Journal, 2007(18):241-243.
10Gluud L L. Bias in clinical intervention research[J]. American Journal Epidemiology, 2006,163(6):493-501.