Evaluation of the Effect of Norepinephrine, Ephedrine and Phenylephrine on Prophylaxis and Treatment of Hemodynamic Changes Associated with Spinal Anesthesia in Elective Cesarean Section Surgeries. Journal of Pharmaceutical Negative Results [Internet]. 2022 Sep. 29 [cited 2026 Jun. 23];:1310-7. Available from: https://www.pnrjournal.com/index.php/home/article/view/1042