Submitted on: 13 May 1998.
Revised on: 28 July 1998.
Accepted on: 20 August 1998.
___________________JOURNAL OF HEALTH POLITICS POLICY AND LAW
http://reply.papertrans.cn/2/172/17143/17143-12.png
http://reply.papertrans.cn/2/172/17143/17143-13.png
http://reply.papertrans.cn/2/172/17143/17143-14.png
http://reply.papertrans.cn/2/172/17143/17143-15.png
Submitted on: 02 September 2005.
Revised on: 12 December 2005.
Accepted on: 30 January 2006.
___________________JOURNAL OF HEALTH POLITICS POLICY AND LAW
http://reply.papertrans.cn/2/172/17143/17143-17.png
Submitted on: 09 May 2015.
Revised on: 03 July 2015.
Accepted on: 14 August 2015.
___________________JOURNAL OF HEALTH POLITICS POLICY AND LAW
http://reply.papertrans.cn/2/172/17143/17143-19.png
http://reply.papertrans.cn/2/172/17143/17143-20.png