%0 Letter %T [Pembrolizumab in combination with first-line chemotherapy with gemcitabine-cisplatin for advanced biliary tract cancer]. %A d'Abrigeon C %A Cindy N %J Bull Cancer %V 111 %N 6 %D 2024 Jun 28 %M 38553290 %F 1.318 %R 10.1016/j.bulcan.2024.02.008