Submitted on: 17 March 2001.
Revised on: 16 April 2001.
Accepted on: 06 May 2001.
Nigerian Postgraduate Medical Journal
Submitted on: 23 May 2004.
Revised on: 02 July 2004.
Accepted on: 11 July 2004.
Nigerian Postgraduate Medical Journal
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http://reply.papertrans.cn/3/232/23157/23157-14.png
Submitted on: 25 October 2001.
Revised on: 13 November 2001.
Accepted on: 30 November 2001.
Nigerian Postgraduate Medical Journal
http://reply.papertrans.cn/3/232/23157/23157-16.png
Submitted on: 21 July 2023.
Revised on: 01 September 2023.
Accepted on: 17 September 2023.
Nigerian Postgraduate Medical Journal
http://reply.papertrans.cn/3/232/23157/23157-18.png
Submitted on: 24 September 2012.
Revised on: 04 November 2012.
Accepted on: 08 November 2012.
Nigerian Postgraduate Medical Journal
Submitted on: 20 April 2016.
Revised on: 03 May 2016.
Accepted on: 14 May 2016.
Nigerian Postgraduate Medical Journal