Wu J J, Wang J L, Tung C F, Tseng J S
Division of Chest Medicine, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan.
Gastroenterology, Department of Internal Medicine, Taichung Veterans General Hospital, Taichung, Taiwan.
J Postgrad Med. 2021 Jan-Mar;67(1):46-48. doi: 10.4103/jpgm.JPGM_739_19.