Fig. 2From: The evaluation of the analgesic effect of intraperitoneal bupivacaine versus bupivacaine with neostigmine on postoperative pain in laparoscopic cholecystectomy: a randomized controlled double-blinded studyHeart rate. Markers are means, and error bars are standard deviations. * denotes significance between the 2 groups, † denotes significance in relation to the baseline reading in the B group, and ‡ denotes significance in relation to the baseline reading in the BN groupBack to article page