Validation of a gastro-oesophageal reflux disease specific screening instrument for epidemiological purposes

Amarasiri, W.A.D.L.Ranasingha, C.Pathmeswaran, A.De Silva, H.J.2016-04-012016-04-012006The Ceylon Medical Journal, 5(1):p.A21https://dl.nsf.gov.lk/handle/1/23096Validation of a gastro-oesophageal reflux disease specific screening instrument for epidemiological purposesArticleRG/2004/M/007FR 1470, FR 1642T