Submitted on: 27 February 1998.
Revised on: 11 May 1998.
Accepted on: 03 June 1998.
___________________Interactive Journal of Medical Research
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Submitted on: 08 April 2016.
Revised on: 11 May 2016.
Accepted on: 27 May 2016.
___________________Interactive Journal of Medical Research
Submitted on: 24 January 2025.
Revised on: 03 May 2025.
Accepted on: 27 June 2025.
___________________Interactive Journal of Medical Research