Jafarzadeh A, Hadavi M, Hassanshahi G, Rezaeian M, Vazirinejad R, Aminzadeh F, Sarkoohi A. Effect of Anesthesia Techniques on Pain Severity, Hemodynamic Changes, and Patients’ Satisfaction in Elective Cesarean Section. Acta Med Iran. 2020;57(7):424-429.