Zhang, Mengqi, et al. “Locoregional Therapy Combined With Systemic Therapy (LRT + ST) for Unresectable Intrahepatic Cholangiocarcinoma: A Systematic Review and Meta-Analysis: LRT+ST for Unresectable ICCA”. Radiology and Oncology, vol. 57, no. 4, Nov. 2023, pp. 419-2, https://www.radioloncol.com/index.php/ro/article/view/4115.