Comparison of a composite symptom score assessing both symptom frequency and severity with a score that assesses frequency alone:a preliminary study to develop a practical symptom score to detect gastro-oesophageal reflux disease in a resource-poor setting

Amarasiri, W.A.D.L.Pathmeswaran, A.De Silva, A.P.Dassanayake, A.S.Ranasinha, C.D.De Silva, J.2016-04-012016-04-012010European Journal of Gastroenterology and Hepatology, 22(6):p.662-668https://dl.nsf.gov.lk/handle/1/23095Medical SciencesComparison of a composite symptom score assessing both symptom frequency and severity with a score that assesses frequency alone:a preliminary study to develop a practical symptom score to detect gastro-oesophageal reflux disease in a resource-poor settingArticleRG/2004/M/007FR 1470, FR 1642T