Fig. 3From: A comparative study between the efficacy of bupivacaine plus nalbuphine versus bupivacaine alone in pectoral nerve block for management of postoperative pain in patients undergoing breast fibroadenoma excisionMean values of systolic blood pressure (on PACU admission and at 1, 2, 4, 6, 12 and 24 post-operatively). The lines represent mean values, and the error bars represent SDBack to article page