Submitted on: 02 June 1998.
Revised on: 21 June 1998.
Accepted on: 03 July 1998.
Stem Cell Research & Therapy---BMC
Submitted on: 15 October 1999.
Revised on: 14 November 1999.
Accepted on: 21 November 1999.
Stem Cell Research & Therapy
Submitted on: 05 August 1998.
Revised on: 11 September 1998.
Accepted on: 01 October 1998.
Stem Cell Research & Therapy
http://reply.papertrans.cn/3/287/28667/28667-34.png
Submitted on: 21 May 2001.
Revised on: 29 June 2001.
Accepted on: 16 July 2001.
Stem Cell Research & Therapy
Submitted on: 08 August 2007.
Revised on: 26 August 2007.
Accepted on: 12 September 2007.
Stem Cell Research & Therapy---BMC