Submitted on: 01 February 1999.
Revised on: 23 April 1999.
Accepted on: 12 May 1999.
___________________Internet Journal of Allied Health Sciences and Practice
Submitted on: 07 July 2011.
Revised on: 20 October 2011.
Accepted on: 07 November 2011.
___________________Internet Journal of Allied Health Sciences and Practice
http://reply.papertrans.cn/2/145/14467/14467-23.png
http://reply.papertrans.cn/2/145/14467/14467-24.png
Submitted on: 03 January 2000.
Revised on: 09 April 2000.
Accepted on: 26 April 2000.
___________________Internet Journal of Allied Health Sciences and Practice
Submitted on: 12 March 1998.
Revised on: 03 May 1998.
Accepted on: 24 June 1998.
___________________Internet Journal of Allied Health Sciences and Practice
http://reply.papertrans.cn/2/145/14467/14467-27.png
http://reply.papertrans.cn/2/145/14467/14467-28.png
http://reply.papertrans.cn/2/145/14467/14467-29.png
Submitted on: 24 May 2020.
Revised on: 14 August 2020.
Accepted on: 17 September 2020.
___________________Internet Journal of Allied Health Sciences and Practice