Local response and pathologic fractures following stereotactic body radiotherapy versus three-dimensional conformal radiotherapy for spinal metastases - a randomized controlled trial - Sprave, Tetyana; Förster, Robert; Schlampp, Ingmar; Hees, Katharina; Bruckner, Thomas; Bostel, Tilman; El-Shafie, Rami; Welzel, Thomas; Nicolay, Nils; Debus, Jürgen; Rief, Harald (BioMed Central ; Springer, 2018)