Hypercontractile esophagus with atypical symptoms

Affiliations

• ¹ Department of Internal Medicine, Seoul National University Bundang Hospital, Seoungnam, Gyeonggi-do, Korea.
• ² Department of Internal Medicine, Seoul National University Bundang Hospital, Seoungnam, Gyeonggi-do, Korea. ; Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Korea.