Mukka, S.; Mellner, C.; Knutsson, B.; Sayed-Noor, A.; Sköldenberg, O. Substantially Higher Prevalence of Postoperative peri­prosthetic Fractures in Octogenarians With Hip Fractures Operated With a Cemented, Polished Tapered Stem Rather Than an Anatomic Stem. ActaO 2016, 87, 257-261.