Chen, Shin-YanShin-YanChenSHOU-ZEN FANLI-KUEI CHEN2023-12-122023-12-122013-1210284559https://scholars.lib.ntu.edu.tw/handle/123456789/637741enUltralow dose combined spinal-epidural anesthesia for cesarean section in ritodrine-related severe pulmonary hypertensionletter10.1016/j.tjog.2013.10.035244110602-s2.0-84892369428https://api.elsevier.com/content/abstract/scopus_id/84892369428