Bitter T, Guntinas-Lichius O. Population-based analysis of tonsil surgery and postoperative hemorrhage - Mueller, J; Boeger, D; Buentzel, J; Esser, D; Hoffmann, K; Jecker, P; Mueller, A; Radtke, G; Geissler, K (Eur Arch Otorhinolaryngol, 2014)