PRE-OPERATIVE ASSESSMENT ON A PATIENT FOR LAPAROSCOPIC CHOLECYSTECTOMY WITH B12 ANEMIA. Macedonian Journal of Anaesthesia, [S. l.], v. 9, n. 1, p. 69–72, 2025. DOI: 10.55302/MJA259169o. Disponível em: https://new.mja.mk/index.php/journal/article/view/95. Acesso em: 11 jun. 2026.