Guder, Wiebke; Hardes, Jendrik; Gosheger, Georg; Henrichs, Marcel-Philipp; Nottrott, Markus; Streitbürger, Arne: Analysis of surgical and oncological Outcome in internal and external Hemipelvectomy in 34 Patients above the Age of 65 Years at a mean Follow-up of 56 [...]