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)
Fernando, R.; Ratnayake, G.; Liyanage, N.; Fonseka, M.; Perera, I.; Kuruppuarachchi, K.A.L.A.; Hapangama, A.(Postgraduate Institute of Medicine University of Colombo, 2022)