Pavithira, R.; Shiyamali, P.; Gajanayake, K.M.V.L.C.; Surenthirakumaran, R.; Rajasooriyar, C.(Faculty of Medicine & Faculty of Allied Health Sciences, University of Jaffna, 2020)
Jayasekara, J.M.A.S.; Surenthirakumaran, R.; Ramachandran, R.; Gnanakarunyan, T.J.(Faculty of Medicine & Faculty of Allied Health Sciences, University of Jaffna, 2020)