Submitted on: 09 January 2014.
Revised on: 29 January 2014.
Accepted on: 18 February 2014.
Respiratory Medicine and Research
Submitted on: 03 January 2020.
Revised on: 05 February 2020.
Accepted on: 19 February 2020.
Respiratory Medicine and Research
http://reply.papertrans.cn/3/265/26486/26486-23.png
Submitted on: 27 June 2013.
Revised on: 19 July 2013.
Accepted on: 02 August 2013.
Respiratory Medicine and Research
http://reply.papertrans.cn/3/265/26486/26486-25.png
Submitted on: 11 November 2012.
Revised on: 23 December 2012.
Accepted on: 06 January 2013.
Respiratory Medicine and Research
http://reply.papertrans.cn/3/265/26486/26486-27.png
Submitted on: 29 July 1999.
Revised on: 14 August 1999.
Accepted on: 29 August 1999.
Respiratory Medicine and Research
http://reply.papertrans.cn/3/265/26486/26486-29.png
Submitted on: 09 May 2018.
Revised on: 22 June 2018.
Accepted on: 27 June 2018.
Respiratory Medicine and Research