http://reply.papertrans.cn/2/199/19824/19824-11.png
http://reply.papertrans.cn/2/199/19824/19824-12.png
http://reply.papertrans.cn/2/199/19824/19824-13.png
http://reply.papertrans.cn/2/199/19824/19824-14.png
http://reply.papertrans.cn/2/199/19824/19824-15.png
http://reply.papertrans.cn/2/199/19824/19824-16.png
http://reply.papertrans.cn/2/199/19824/19824-17.png
Submitted on: 21 April 2015.
Revised on: 05 August 2015.
Accepted on: 25 August 2015.
___________________JOURNAL OF THE PAKISTAN MEDICAL ASSOCIATION
Submitted on: 31 January 1998.
Revised on: 22 April 1998.
Accepted on: 14 June 1998.
___________________JOURNAL OF THE PAKISTAN MEDICAL ASSOCIATION
http://reply.papertrans.cn/2/199/19824/19824-20.png