Amarasiri, W.A.D.L.; Pathmeswaran, A.; de Silva, A.P.; Dassanayake, A.S.; Ranasinha, C.D.; de Silva, H.J.(The Korean Society of Neurogastroenterology and Motility, 2013)
Ranawaka, C.; Niriella, M.A.; Kumarasena, R.S.; Miththinda, J.K.N.D.; de Silva, A.P.; Premaratna, R.; de Silva, H.J.(American Gastroenterological Association(AGA) Institute, Published by Elsevier Inc., 2013)