Submitted on: 22 March 2007.
Revised on: 28 June 2007.
Accepted on: 17 July 2007.
___________________African Journal of Primary Health Care & Family Medicine
http://reply.papertrans.cn/1/10/912/912-12.png
Submitted on: 16 August 2001.
Revised on: 29 November 2001.
Accepted on: 16 January 2002.
___________________African Journal of Primary Health Care & Family Medicine
http://reply.papertrans.cn/1/10/912/912-14.png
http://reply.papertrans.cn/1/10/912/912-15.png
http://reply.papertrans.cn/1/10/912/912-16.png
http://reply.papertrans.cn/1/10/912/912-17.png
Submitted on: 10 May 2021.
Revised on: 21 July 2021.
Accepted on: 08 August 2021.
___________________African Journal of Primary Health Care & Family Medicine
Submitted on: 15 November 2015.
Revised on: 19 February 2016.
Accepted on: 23 March 2016.
___________________African Journal of Primary Health Care & Family Medicine
Submitted on: 17 October 1998.
Revised on: 22 December 1998.
Accepted on: 22 January 1999.
___________________African Journal of Primary Health Care & Family Medicine