A clinical research of ED90 norepinephrine to prevent hypotension after combined spinal and epidural anesthesia during cesarean delivery
SHEN Ting, XU Tao, ZHENG Jing, AN Xiao-hu, XU Zi-feng, CHAI Jing
JOURNAL OF SHANGHAI JIAOTONG UNIVERSITY (MEDICAL SCIENCE) . 2020, (11): 1495 -1499 .  DOI: 10.3969/j.issn.1674-8115.2020.11.010