Jagric, Tomaz, and Matjaz Horvat. “Surgical Resection of Synchronous Liver Metastases in Gastric Cancer Patients. A Propensity Score-Matched Study”. Radiology and Oncology, vol. 55, no. 1, Feb. 2021, pp. 57-65, https://radioloncol.com/index.php/ro/article/view/3500.