Citation:
Vidanapathirana M, Amararatne RRGS, Edirirweera HM, Wanniarachchi CG, Sabapathippillai S, Mohideen MR, Herath HM, De Silva PV, Lekamwasam S, Wickramatilake CM, et al. Sri Lanka Journals Online. Galle Medical Journal. 2014;19:23–26.
Faculty of Medical Sciences, University of Sri Jayewardenepura.