Efficacy and tolerance of high-dose-rate brachytherapy boost after external radiotherapy in the treatment of squamous cell carcinoma of the anal canal - Bertin, Emilien; Benezery, Karen; Kee, Daniel Lam Cham; François, Eric; Evesque, Ludovic; Gautier, Mathieu; Gerard, Jean-Pierre; Hannoun-Levi, Jean-Michel; Falk, Alexander T (Journal of Contemporary Brachytherapy, 2018)