Norepinephrine group:Norepinephrine was intravenously pumped at a rate of 15 ml/h (concentration of 8 ug/ml) after spinal anesthesia.

Effects of prophylactic infusion of constant-rate norepinephrine or phenylephrine on neonatal outcomes during caesarean section: a randomized, double-blind trial

Comparison of norepinephrine and phenylephrine on maternal core temperature during caesarean section: a randomized, double-blind, non-inferiority trial