Submitted on: 05 November 2003.
Revised on: 31 January 2004.
Accepted on: 16 March 2004.
___________________Journal of Medical and Surgical Research
Submitted on: 15 September 2000.
Revised on: 01 November 2000.
Accepted on: 22 December 2000.
___________________Journal of Medical and Surgical Research
Submitted on: 04 November 2013.
Revised on: 18 February 2014.
Accepted on: 06 March 2014.
___________________Journal of Medical and Surgical Research
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Submitted on: 09 January 2018.
Revised on: 06 May 2018.
Accepted on: 24 June 2018.
___________________Journal of Medical and Surgical Research
Submitted on: 21 September 2020.
Revised on: 18 January 2021.
Accepted on: 09 February 2021.
___________________Journal of Medical and Surgical Research
http://reply.papertrans.cn/2/180/17958/17958-27.png
http://reply.papertrans.cn/2/180/17958/17958-28.png
Submitted on: 10 January 2017.
Revised on: 10 April 2017.
Accepted on: 05 June 2017.
___________________Journal of Medical and Surgical Research
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