Single‐agent gemcitabine in patients with advanced, pre‐treated angiosarcoma: A multicenter, retrospective study. - Watson, Sarah; Verret, Benjamin; Ropert, Stanislas; Adam, Julien; Bahleda, Rastislav; Briand, Sylvain; Cavalcanti, Andrea; Chamseddine, Ali N.; Court, Charles; Fadel, Elie; Faron, Matthieu; Haddag‐Miliani, Leila; et al. (Cancer Medicine, 2023)