Fig. 2From: RETRACTED ARTICLE: Oxycodone versus morphine for analgesia after laparoscopic endometriosis resectionOxycodone and morphine consumption, and the number of IV-PCA bolus during the 24-h postoperative period. Data are displayed as mean ± SD or n. * compared with group O, p < 0.05; # compared with group O, p < 0.01Back to article page