EVALUATION OF THE EFFECTIVENESS OF PROPHYLACTIC NOREPINEPHRINE DOSES IN PREVENTING MATERNAL HYPOTENSION AND THEIR EFFECTS ON NEONATES DURING SPINAL ANESTHESIA FOR CESAREAN SECTION AT HAI PHONG OBSTETRICS AND GYNECOLOGY HOSPITAL. YHCĐ [Internet]. 2026 Mar. 2 [cited 2026 Sept. 9];67(2). Available from: https://tapchiyhcd.vn/index.php/yhcd/article/view/4394