MING-JIUM SHIEHYang S.C.Huang T.F.JAU-MIN WONGGuo T.S.Wang C.Y.2020-02-272020-02-2719931016-2356https://www.scopus.com/inward/record.uri?eid=2-s2.0-0027611875&partnerID=40&md5=127c2aa914740749a077abd9e8878f0dhttps://scholars.lib.ntu.edu.tw/handle/123456789/465863Why we should have medical optical cards in national health insurance - facts of ignorance of diagnostic examinations and duplication of treatmentjournal article2-s2.0-0027611875