Submitted on: 06 January 2010.
Revised on: 14 February 2010.
Accepted on: 10 March 2010.
Research and Reports in Neonatology
Submitted on: 14 July 2020.
Revised on: 25 August 2020.
Accepted on: 19 September 2020.
Research and Reports in Neonatology
http://reply.papertrans.cn/3/264/26381/26381-23.png
http://reply.papertrans.cn/3/264/26381/26381-24.png
Submitted on: 13 May 2015.
Revised on: 24 June 2015.
Accepted on: 06 July 2015.
Research and Reports in Neonatology
http://reply.papertrans.cn/3/264/26381/26381-26.png
http://reply.papertrans.cn/3/264/26381/26381-27.png
Submitted on: 03 February 2011.
Revised on: 23 February 2011.
Accepted on: 06 March 2011.
Research and Reports in Neonatology
Submitted on: 10 November 2007.
Revised on: 04 December 2007.
Accepted on: 14 December 2007.
Research and Reports in Neonatology
Submitted on: 16 May 1999.
Revised on: 14 June 1999.
Accepted on: 06 July 1999.
Research and Reports in Neonatology