Amato, Lavinia, Manuel Valeri, Pajtim Emini, Roberto Ciaccarini, Adolfo Petrina, Franca Ribacchi, and Michela Boncompagni. “Retroperitoneal and Iliopsoas Abscess As Crohn’s Disease Onset Mimicking a Common Lumbosciatic Pain”. Annali Italiani di Chirurgia 11, no. June (June 15, 2022): 1–7. Accessed February 15, 2025. https://annaliitalianidichirurgia.it/index.php/aic/article/view/670.