Dassanayake, A.S.; Rajindrajith, S.; Kasturiratne, A.; Kalubowila, U.; de Silva, A.P.; Mizoue, T.; Makaya, M.; de Silva, H.J.(American Gastroenterological Association(AGA) Institute, Published by Elsevier Inc., 2008)
Devanarayana, N.M.; Rajindrajith, S.; de Silva, D.G.H.; de Silva, H.J.(Research Symposium 2009 - Faculty of Graduate Studies, University of Kelaniya, 2009)