Hypercontractile esophagus with atypical symptoms.
Department of Internal Medicine, Seoul National University Bundang Hospital, Seoungnam, Gyeonggi-do, Korea.
Yoon Jin
YJ
Choi
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.
Nayoung
N
Kim