Yang, P. J.P. J.YangChen, R. R.R. R.ChenYang, Pei-MingPei-MingYang楊培銘2009-02-102018-07-112009-02-102018-07-111992http://ntur.lib.ntu.edu.tw//handle/246246/127314en-USUltrasonography in Predicting the Existence of Esophageal Varices and the Possibility of Variceal Bleedingjournal article