Submitted on: 03 October 2002.
Revised on: 25 October 2002.
Accepted on: 20 November 2002.
Radiology and Oncology---WALTER DE GRUYTER GMBH
Submitted on: 23 January 2008.
Revised on: 13 February 2008.
Accepted on: 06 March 2008.
Radiology and Oncology
Submitted on: 14 November 2002.
Revised on: 21 December 2002.
Accepted on: 07 January 2003.
Radiology and Oncology
http://reply.papertrans.cn/3/261/26058/26058-34.png
http://reply.papertrans.cn/3/261/26058/26058-35.png
http://reply.papertrans.cn/3/261/26058/26058-36.png