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Changes in the plasma cortisol concentration (mean ± SEM) during and after laparoscopic and abdominal hysterectomy. Measurement points: T0 = before anesthesia, T1 = after skin incision, T2 = at the end of peritoneal closure, T3 = 1 h after operation, T4 = 24 h after operation. *P < 0.05 versus the preoperative value.
