http://reply.papertrans.cn/3/296/29506/29506-11.png
Submitted on: 30 July 2003.
Revised on: 07 September 2003.
Accepted on: 14 September 2003.
THORAX---BMJ PUBLISHING GROUP
http://reply.papertrans.cn/3/296/29506/29506-13.png
Submitted on: 18 March 2023.
Revised on: 31 March 2023.
Accepted on: 27 April 2023.
THORAX
Submitted on: 28 October 2003.
Revised on: 10 November 2003.
Accepted on: 04 December 2003.
THORAX---BMJ PUBLISHING GROUP
http://reply.papertrans.cn/3/296/29506/29506-16.png
http://reply.papertrans.cn/3/296/29506/29506-17.png
http://reply.papertrans.cn/3/296/29506/29506-18.png
Submitted on: 05 October 2013.
Revised on: 28 October 2013.
Accepted on: 16 November 2013.
THORAX
Submitted on: 24 February 2000.
Revised on: 08 March 2000.
Accepted on: 16 March 2000.
THORAX---BMJ PUBLISHING GROUP