http://reply.papertrans.cn/1/65/6427/6427-21.png
Submitted on: 05 November 2008.
Revised on: 15 December 2008.
Accepted on: 08 February 2009.
___________________Contemporary Clinical Trials Communications
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Submitted on: 09 March 2014.
Revised on: 25 June 2014.
Accepted on: 14 July 2014.
___________________Contemporary Clinical Trials Communications
Submitted on: 29 April 2016.
Revised on: 08 August 2016.
Accepted on: 19 September 2016.
___________________Contemporary Clinical Trials Communications
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Submitted on: 09 June 2001.
Revised on: 25 July 2001.
Accepted on: 05 August 2001.
___________________Contemporary Clinical Trials Communications