Fig. 1From: RETRACTED ARTICLE: Oxycodone versus morphine for analgesia after laparoscopic endometriosis resectionConsolidated Standards of Reporting Trials (CONSORT) flow diagram. IV-PCA, intravenous patient-controlled analgesia; ICU, intensive care unit. Group O, oxycodone IV-PCA (oxycodone 1 mg/mL; no background infusion; bolus 2 mg; lock-out time of 8 min). Group M, morphine IV-PCA (morphine 1 mg/mL; no background infusion; bolus 2 mg; lock-out time of 8 min)Back to article page