Submitted on: 21 February 2006.
Revised on: 06 May 2006.
Accepted on: 17 May 2006.
___________________FAMILY PRACTICE---OXFORD UNIV PRESS
Submitted on: 14 March 2015.
Revised on: 20 June 2015.
Accepted on: 12 August 2015.
___________________FAMILY PRACTICE---OXFORD UNIV PRESS
Submitted on: 20 July 2009.
Revised on: 11 October 2009.
Accepted on: 10 November 2009.
___________________FAMILY PRACTICE---OXFORD UNIV PRESS
http://reply.papertrans.cn/1/97/9650/9650-34.png
Submitted on: 27 June 2008.
Revised on: 01 August 2008.
Accepted on: 15 September 2008.
___________________FAMILY PRACTICE---OXFORD UNIV PRESS
http://reply.papertrans.cn/1/97/9650/9650-36.png