Enhancing surgical decision-making: the critical need for structured ultrasound training in residency. A case report of acute necrotic cholecystitis. Case Reports in Emergency Surgery and Trauma, [S. l.], v. 3, n. 2, 2025. DOI: 10.4081/crest.2025.47. Disponível em: https://www.crest-journal.net/site/article/view/47. Acesso em: 16 oct. 2025.