研究单位：[1]the cancer center,Huazhong University of Science and Technology[2]Tongji Hospital,Tongji Medical College,Huazhong University of Science and Technology Wuhan,Hubei,China,430030
研究目的：
It is a trial to compare the efficacy and safety of Nab-paclitaxel plus Cisplatin vs Gemcitabine plus Cispatin as first line chemotherapy in advanced biliary tract cancer.
