{Reference Type}: Letter {Title}: [Pembrolizumab in combination with first-line chemotherapy with gemcitabine-cisplatin for advanced biliary tract cancer]. {Author}: d'Abrigeon C;Cindy N; {Journal}: Bull Cancer {Volume}: 111 {Issue}: 6 {Year}: 2024 Jun 28 {Factor}: 1.318 {DOI}: 10.1016/j.bulcan.2024.02.008