Is There a Role for Color Doppler Ultrasonography in Acute Cholecystitis?. Acta Medica Academica, [S. l.], v. 49, n. 1, p. 44–50, 2020. DOI: 10.5644/ama2006-124.282. Disponível em: https://ama.ba/index.php/ama/article/view/399. Acesso em: 14 aug. 2025.