Fig. 2From: Effect of perioperative magnesium sulfate and labetalol infusion on peripheral perfusion and postoperative pain in nasal surgery: a randomized controlled trialA = Mean arterial blood pressure (MABP) (mmHg) between studied groups at the measured time points. B = Mean heart rate (HR) beat/minute (bpm) between studied groups at the measured time points. Mean ± SDBack to article page