Elagamy, A. E., Kamaly, A. M., Shahin, M. I., Saleh, M. (2021). 'Norepinephrine versus ephedrine for hypotension prophylaxis during cesarean section under spinal anesthesia', Ain-Shams Journal of Anesthesiology, 13(1), pp. -. doi: 10.1186/s42077-020-00124-4