Bayrak M, Altintas Y. Laparoscopic cholecystectomy under spinal anesthesia in high risk patients: A single center experience . annalsmedres [Internet]. 2021 May 25 [cited 2024 May 19];26(2):0275-8. Available from: http://www.annalsmedres.org/index.php/aomr/article/view/1361