http://reply.papertrans.cn/1/51/5041/5041-31.png
Submitted on: 20 January 2014.
Revised on: 08 April 2014.
Accepted on: 23 April 2014.
___________________CEYLON MEDICAL JOURNAL---SRI LANKA MEDICAL ASSOC
Submitted on: 01 November 2019.
Revised on: 15 January 2020.
Accepted on: 13 February 2020.
___________________CEYLON MEDICAL JOURNAL---SRI LANKA MEDICAL ASSOC
http://reply.papertrans.cn/1/51/5041/5041-34.png
http://reply.papertrans.cn/1/51/5041/5041-35.png
Submitted on: 02 August 2020.
Revised on: 21 November 2020.
Accepted on: 16 January 2021.
___________________CEYLON MEDICAL JOURNAL---SRI LANKA MEDICAL ASSOC