1. Case report: immunotherapy successfully treated brain metastasis in intrahepatic cholangiocarcinoma and literature review
   Peiyi Xie et al, 2022, Frontiers in Oncology CrossRef
2. Justification of Genetic Factors for Predicting the Risk of Acute Bleeding in Peptic Ulcer Disease
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3. Cholangiocarcinoma in a Free-Ranging Eurasian Brown Bear (Ursus arctos arctos) from Northern Spain
   Ana Balseiro et al, 2020, Journal of Wildlife Diseases CrossRef
4. Paraparesis and Disseminated Osteolytic Lesions Revealing Cholangiocarcinoma: A Case Report
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