Submitted on: 17 July 2000.
Revised on: 15 August 2000.
Accepted on: 26 August 2000.
JOURNAL OF TROPICAL PEDIATRICS
Submitted on: 07 October 2006.
Revised on: 19 November 2006.
Accepted on: 12 December 2006.
JOURNAL OF TROPICAL PEDIATRICS
Submitted on: 05 October 2006.
Revised on: 17 October 2006.
Accepted on: 07 November 2006.
JOURNAL OF TROPICAL PEDIATRICS
Submitted on: 14 February 2021.
Revised on: 26 February 2021.
Accepted on: 18 March 2021.
JOURNAL OF TROPICAL PEDIATRICS
Submitted on: 17 August 2001.
Revised on: 28 August 2001.
Accepted on: 07 September 2001.
JOURNAL OF TROPICAL PEDIATRICS
http://reply.papertrans.cn/3/201/20006/20006-16.png
http://reply.papertrans.cn/3/201/20006/20006-17.png
http://reply.papertrans.cn/3/201/20006/20006-18.png
http://reply.papertrans.cn/3/201/20006/20006-19.png
Submitted on: 28 September 2005.
Revised on: 08 October 2005.
Accepted on: 13 October 2005.
JOURNAL OF TROPICAL PEDIATRICS