Wu, S. F.S. F.Wu張美惠Lee, S. Y.S. Y.Lee陳秋江Chang, Mei-HweiMei-HweiChangChen, Chiu-ChiangChiu-ChiangChen2009-02-102018-07-112009-02-102018-07-111989http://ntur.lib.ntu.edu.tw//handle/246246/126093en-USAchalasia:Report of Two Casesjournal article