Osteointegration and resorption of intravertebral and extravertebral calcium phosphate cement - Klein, Roman; Tetzlaff, Ralf; Weiß, Christel; Tanner, Michael Christopher; Wiedenhöfer, Bernd; Grafe, Ingo Alexander; Meeder, Peter-Jürgen; Nöldge, Gerd; Nawroth, Peter Paul; Kasperk, Christian (Clinical spine surgery, 2017)