“Perception of Preference and Risk-Taking in Laparoscopy, Transgastric, and Rigid-Hybrid Transvaginal NOTES for Cholecystectomy”. Swiss Medical Weekly 143, no. 4950 (December 1, 2013): w13888. Accessed January 10, 2026. https://smw.ch/index.php/smw/article/view/1791.