Ennis, G., G. Venade, J. S. Marques, P. Batista, A. A. Nunes, J. Constantino, and L. C. Matos. “Intrathoracic Acute Cholecystitis”. European Journal of Case Reports in Internal Medicine, vol. 7, no. 9, June 2020, doi:10.12890/2020_001764.