Changes in Hemodynamics and Autonomic Nervous Activity in Patients Undergoing Laparoscopic Cholecystectomy: Differences Between the Pneumoperitoneum and Abdominal Wall-Lifting Method - Uemura , N; Nomura , M; Inoue , S; Endo , J; Kishi , S; Saito , K; Ito , S; Nakaya , Y (Endoscopy, 2002)