Hemachandra, G.H.T.K; Thuvaragan, S.; Balakumar, Sandrasegarampillai(Faculty of Medicine & Faculty of Allied Health Sciences University of Jaffna, 2021)
Kularathna, W.N.S.M.; Thuvaragan, S.; Surenthirakumaran, R.; Sathiadas, M.G.(Faculty of Medicine & Faculty of Allied Health Sciences University of Jaffna, 2021)