Submitted on: 22 October 2014.
Revised on: 11 November 2014.
Accepted on: 28 November 2014.
Neonatology---KARGER
Submitted on: 16 November 2001.
Revised on: 23 December 2001.
Accepted on: 07 January 2002.
Neonatology---KARGER
http://reply.papertrans.cn/3/229/22811/22811-23.png
http://reply.papertrans.cn/3/229/22811/22811-24.png
http://reply.papertrans.cn/3/229/22811/22811-25.png
http://reply.papertrans.cn/3/229/22811/22811-26.png
http://reply.papertrans.cn/3/229/22811/22811-27.png
Submitted on: 18 March 2014.
Revised on: 02 April 2014.
Accepted on: 14 April 2014.
Neonatology
Submitted on: 11 February 2006.
Revised on: 25 February 2006.
Accepted on: 15 March 2006.
Neonatology---KARGER
http://reply.papertrans.cn/3/229/22811/22811-30.png