Hapangama, A.; de Silva, R.; Williams, S.S.; de Zoysa, P.T.; Wickremasinghe, R.R.; Kuruppuarachchi, K.A.L.A.; Ravindran, A.(Postgraduate Institute of Medicine University of Colombo, 2021)
Hapangama, A.; Dasanayake, D.G.B.M S.; Kuruppuarachchi, K.A.L.A; Pathmeswaran, A.; de Silva, H.J.(Journal of the Postgraduate Institute of Medicine, 2021)