Submitted on: 29 September 1998.
Revised on: 25 October 1998.
Accepted on: 11 November 1998.
Pediatric Anesthesia and Critical Care Journal
http://reply.papertrans.cn/3/242/24165/24165-32.png
http://reply.papertrans.cn/3/242/24165/24165-33.png
Submitted on: 16 October 2017.
Revised on: 05 November 2017.
Accepted on: 15 November 2017.
Pediatric Anesthesia and Critical Care Journal
http://reply.papertrans.cn/3/242/24165/24165-35.png
http://reply.papertrans.cn/3/242/24165/24165-36.png