Submitted on: 22 March 2013.
Revised on: 03 April 2013.
Accepted on: 21 April 2013.
TROPICAL MEDICINE & INTERNATIONAL HEALTH
Submitted on: 09 July 1999.
Revised on: 21 August 1999.
Accepted on: 17 September 1999.
TROPICAL MEDICINE & INTERNATIONAL HEALTH
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Submitted on: 04 June 2012.
Revised on: 30 June 2012.
Accepted on: 18 July 2012.
TROPICAL MEDICINE & INTERNATIONAL HEALTH
http://reply.papertrans.cn/3/300/29985/29985-15.png
Submitted on: 07 January 2013.
Revised on: 25 January 2013.
Accepted on: 15 February 2013.
TROPICAL MEDICINE & INTERNATIONAL HEALTH
http://reply.papertrans.cn/3/300/29985/29985-17.png
http://reply.papertrans.cn/3/300/29985/29985-18.png
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Submitted on: 03 November 2003.
Revised on: 06 December 2003.
Accepted on: 30 December 2003.
TROPICAL MEDICINE & INTERNATIONAL HEALTH