Younghee Park, Kyung Su Kim, Hyunji Jo, Hwang-Phil Kim, Dong Soo Kyung, Youngeun Yoo, Seog Ki Min, Eun Mi Nam, Kyubo Kim. "Feasibility of tumor-informed circulating tumor DNA for detecting minimal residual disease in surgically resected biliary tract cancer." PLoS ONE (2026). https://doi.org/10.1371/journal.pone.0341432