作者：
Chiu; P.W.Y.; Joeng; H.K.M.; Choi; C.L.Y.; 郝筱倩 Department; of; Surgery; Prince; of; Wales; Hospital; The; Chinese; Unversity; of; Hong; Kong; 30-32; Ngan; Shing; Street; Shatin; New; Territories; Hong; Kong.China; Dr.
内镜检查
临床因素
消化性溃疡出血
急性消化性溃疡
再出血
