Amarasiri WADL, Pathmeswaran A, Ranasinha C, De Silva HJ. Validation of a Gastro-oesophgeal Reflux Disease (GERD)-specific screening instrument for epidemiological purposes.
Abstract presented as an oral presentation at the 08th Annual Research Symposium of the Faculty of Graduate Studies, on 19th December 2007, University of Kelaniya, Sri Lanka.