Lorenzo Pagliai, Alfredo Annicchiarico, Andrea Morini, Filippo Montali, Edoardo Virgilio, and Renato Costi. “The Double Challenge (preoperative Diagnosis and Surgical Approach) of Primary Leiomyosarcoma of the Sigmoid Colon”. Acta Biomedica Atenei Parmensis 93, no. S1 (April 14, 2022): e2022124. Accessed July 18, 2024. https://mattioli1885journals.com/index.php/actabiomedica/article/view/11652.