title: Shortness of breath while sitting up: hepatopulmonary syndrome.
authors.affiliation: Department of Internal Medicine, Buddhist Tzu Chi General Hospital, Taipei, Taiwan. zoviraxkimo@yahoo.com.tw [corrected]
authors.forename: Chih-Hsin
authors.initials: CH
authors.lastname: Lee
authors.forename: Shih-Tsung
authors.initials: ST
authors.lastname: Cheng