Objective of study: Laparoscopic cholecystectomy under general anesthesia has attained the status of a gold standard for uncomplicated symptomatic gall stone disease; we therefore performed this study to assess its feasibility under spinal anesthesia with low-pressure pneumoperitoneum. Lower pressures are claimed to be safe and effective in decreasing cardiopulmonary complications and... https://www.foldlyers.shop/product-category/mechanical-3d-puzzles/