Wu S.F.MEI-HWEI CHANGLee S.Y.Chen C.C.Hsu J.Y.2021-01-042021-01-0419890001-6578https://www.scopus.com/inward/record.uri?eid=2-s2.0-0024658508&partnerID=40&md5=d574f7083aa16f48e0c870056ea6f291https://scholars.lib.ntu.edu.tw/handle/123456789/537298Achalasia: report of two casesjournal article26375992-s2.0-0024658508