Submitted on: 20 November 1999.
Revised on: 09 December 1999.
Accepted on: 22 December 1999.
Resuscitation Plus---ELSEVIER
http://reply.papertrans.cn/3/266/26506/26506-32.png
http://reply.papertrans.cn/3/266/26506/26506-33.png
Submitted on: 14 October 2018.
Revised on: 28 October 2018.
Accepted on: 13 November 2018.
Resuscitation Plus---ELSEVIER
http://reply.papertrans.cn/3/266/26506/26506-35.png
http://reply.papertrans.cn/3/266/26506/26506-36.png