2World Health Organaization.The world health report 1999.Genva:WHO.102-103.
3United Nations.Prevention of suicide:Guidelines for the formulation and implementation of national strategies.New York,1996.13.
4Carney SS,Rich C L.Burke PA,et al.Suicide over 60:the San Diego Study.American Geriatric Psychiatry,1994,42(2):174.
5Ji J,Kleinman A,Becker AE.Suicide in contemporary China:a review of China's distinctive suicide demographics in their sociocultural context.Harvard Rev Psychiatry,2001,9(1):1.
6Phillips MR,Li X,Zhang Y.Suicide rates in China,1995-1999.Lancet,2002,359(9309):835.