Submitted on: 30 November 2005.
Revised on: 17 February 2006.
Accepted on: 30 March 2006.
___________________Advanced Pharmaceutical Bulletin
Submitted on: 25 February 2021.
Revised on: 14 April 2021.
Accepted on: 12 June 2021.
___________________Advanced Pharmaceutical Bulletin
http://reply.papertrans.cn/1/7/654/654-33.png
http://reply.papertrans.cn/1/7/654/654-34.png
Submitted on: 23 July 2008.
Revised on: 31 August 2008.
Accepted on: 16 September 2008.
___________________Advanced Pharmaceutical Bulletin
http://reply.papertrans.cn/1/7/654/654-36.png