http://reply.papertrans.cn/3/275/27465/27465-21.png
Submitted on: 28 July 2013.
Revised on: 04 September 2013.
Accepted on: 20 September 2013.
SAMJ SOUTH AFRICAN MEDICAL JOURNAL
Submitted on: 05 December 2007.
Revised on: 15 January 2008.
Accepted on: 29 January 2008.
SAMJ SOUTH AFRICAN MEDICAL JOURNAL
http://reply.papertrans.cn/3/275/27465/27465-24.png
http://reply.papertrans.cn/3/275/27465/27465-25.png
Submitted on: 14 March 2017.
Revised on: 17 April 2017.
Accepted on: 29 April 2017.
SAMJ SOUTH AFRICAN MEDICAL JOURNAL
http://reply.papertrans.cn/3/275/27465/27465-27.png
http://reply.papertrans.cn/3/275/27465/27465-28.png
http://reply.papertrans.cn/3/275/27465/27465-29.png
Submitted on: 22 January 2014.
Revised on: 14 February 2014.
Accepted on: 24 February 2014.
SAMJ SOUTH AFRICAN MEDICAL JOURNAL