Fig. 1From: Reappraisal of ischemia-reperfusion injury in a short duration laparoscopic surgery, a pilot studyEndogenous markers: Changes in the levels of oxysterols products: 7a-Hydroxylated cholesterol (A), 7b-Hydroxylated cholesterol (B), 5,6 a-epoxy cholesterol (C), and 5,6 b-epoxy cholesterol (D). The four phases include the awake state (1), end of anesthesia (2), end of laparoscopic surgery (3), and 2 h postoperatively (4)Back to article page