@article{UBHD-68195717,
  author={Adeberg, Sebastian and Harrabi, Semi B. and Bougatf, Nina and Bernhardt, Denise and H{\"o}rner-Rieber, Juliane and K{\"o}rber, Stefan A. and Syed, Mustafa and Sprave, Tetyana and Mohr, Angela and Abdollahi, Amir and Haberer, Thomas and Herfarth, Klaus and Debus, J{\"u}rgen and Rieken, Stefan},
  title={Intensity-modulated proton therapy, volumetric-modulated arc therapy, and 3D conformal radiotherapy in anaplastic astrocytoma and glioblastomaIntensit{\"a}tsmodulierte Protonentherapie, volumenmodulierte Arc-Therapie und dreidimensionale konformale Radiotherapie beim anaplastischen Astrozytom und Glioblastom},
  year={2016},
  pages={770-779},
  language={eng},
  issn={1439-099X},
  volume={192},
  number={11},
  note={Gesehen am 29.11.2017},
  journal={Strahlentherapie und Onkologie},
  doi={10.1007/s00066-016-1007-7},
}
@article{UBHD-68666049,
  author={Bostel, Tilman and Mattke, Matthias and Nicolay, Nils and Welzel, Thomas and Wollschl{\"a}ger, Daniel and Akbaba, Sati and Mayer, Arnulf and Sprave, Tetyana and Debus, J{\"u}rgen and Uhl, Matthias},
  title={High-dose carbon-ion based radiotherapy of primary and recurrent sacrococcygeal chordomas},
  subtitle={long-term clinical results of a single particle therapy center},
  year={2020},
  pages={11 S.},
  language={eng},
  issn={1748-717X},
  volume={15(2020) Artikel-Nummer 206},
  number={11 Seiten},
  note={Gesehen am 26.11.2020},
  journal={Radiation oncology},
  doi={10.1186/s13014-020-01647-8},
}
@article{UBHD-68299158,
  author={Bostel, Tilman and Nicolay, Nils and Welzel, Thomas and Bruckner, Thomas and Mattke, Matthias and Akbaba, Sati and Sprave, Tetyana and Debus, J{\"u}rgen and Uhl, Matthias},
  title={Sacral insufficiency fractures after high-dose carbon-ion based radiotherapy of sacral chordomas},
  year={2018},
  language={eng},
  issn={1748-717X},
  volume={13(2018) Artikel-Nummer 154},
  number={7 Seiten},
  note={Gesehen am 27.08.2018},
  journal={Radiation oncology},
  doi={10.1186/s13014-018-1095-x},
  url={http://dx.doi.org/10.1186/s13014-018-1095-x},
  library={UB},
}
@book{UBHD-68328265,
  author={Bostel, Tilman and Nicolay, Nils and Welzel, Thomas and Bruckner, Thomas and Mattke, Matthias and Akbaba, Sati and Sprave, Tetyana and Debus, J{\"u}rgen and Uhl, Matthias},
  title={Sacral insufficiency fractures after high-dose carbon-ion based radiotherapy of sacral chordomas},
  publisher={BioMed Central},
  address={London},
  year={2018},
  pages={1 Online-Ressource (7 Seiten)},
  language={eng},
  note={Aus: Radiation Oncology, 13 (2018), Nr. 154. pp. 1-7. ISSN 1748-717X},
  doi={10.1186/s13014-018-1095-x},
  url={https://nbn-resolving.org/urn:nbn:de:bsz:16-heidok-254518},
  library={UB},
}
@article{UBHD-68175063,
  author={Bostel, Tilman and F{\"o}rster, Robert and Schlampp, Ingmar and Sprave, Tetyana and Bruckner, Thomas and Nicolay, Nils and Welte, Stefan Ezechiel and Debus, J{\"u}rgen and Rief, Harald},
  title={Spinal bone metastases in colorectal cancer},
  subtitle={a retrospective analysis of stability, prognostic factors and survival after palliative radiotherapy},
  year={2017},
  language={eng},
  issn={1748-717X},
  volume={12(2017) Artikel-Nummer 115},
  number={7 Seiten},
  note={Gesehen am 02.10.2017},
  journal={Radiation oncology},
  doi={10.1186/s13014-017-0852-6},
  url={http://dx.doi.org/10.1186/s13014-017-0852-6},
  library={UB},
}
@book{UBHD-68141019,
  author={Bostel, Tilman and F{\"o}rster, Robert and Schlampp, Ingmar and Sprave, Tetyana and Bruckner, Thomas and Nicolay, Nils and Welte, Stefan Ezechiel and Debus, J{\"u}rgen and Rief, Harald},
  title={Spinal bone metastases in colorectal cancer},
  subtitle={a retrospective analysis of stability, prognostic factors and survival after palliative radiotherapy},
  publisher={BioMed Central},
  address={London},
  year={2017},
  pages={1 Online-Ressource (7 Seiten)},
  language={eng},
  note={Aus: Radiation Oncology, 12 (2017), Nr. 115. pp. 1-7. ISSN 1748-717X},
  doi={10.1186/s13014-017-0852-6},
  url={https://nbn-resolving.org/urn:nbn:de:bsz:16-heidok-232373},
  library={UB},
}
@article{UBHD-68486481,
  author={Bostel, Tilman and Schlampp, Ingmar and Sprave, Tetyana and Akbaba, Sati and Debus, J{\"u}rgen and Rief, Harald},
  title={Stability and survival analysis of elderly patients with osteolytic spinal bone metastases after palliative radiotherapy},
  year={2019},
  pages={1074-1085},
  language={eng},
  issn={1439-099X},
  volume={195},
  number={12},
  note={Gesehen am 07.02.2020},
  journal={Strahlentherapie und Onkologie},
  doi={10.1007/s00066-019-01482-1},
}
@article{UBHD-68420625,
  author={El-Shafie, Rami and Paul, Angela and Bernhardt, Denise and Hauswald, Henrik and Welzel, Thomas and Sprave, Tetyana and Hommertgen, Adriane and Krisam, Johannes and Schmitt, Daniela and Kl{\"u}ter, Sebastian and Schubert, Kai and Klose, Christina and Kieser, Meinhard and Debus, J{\"u}rgen and Rieken, Stefan},
  title={Evaluation of stereotactic radiotherapy of the resection cavity after surgery of brain metastases compared to postoperative whole-brain radiotherapy (ESTRON) - a single-center prospective randomized trial},
  year={2018},
  pages={566-573},
  language={eng},
  issn={1524-4040},
  volume={83},
  number={3},
  note={Gesehen am 14.08.2019},
  journal={Neurosurgery},
  doi={10.1093/neuros/nyy021},
}
@article{UBHD-68421054,
  author={El-Shafie, Rami and Bougatf, Nina and Sprave, Tetyana and Kronsteiner, Dorothea and Oetzel, Dieter and Machmer, Timo and Huber, Peter E. and Debus, J{\"u}rgen and Nicolay, Nils},
  title={Oncologic therapy support via means of a dedicated mobile app (OPTIMISE-1)},
  subtitle={protocol for a prospective pilot trial},
  year={2018},
  pages={8 S.},
  language={eng},
  issn={1929-0748},
  volume={7(2018},
  note={Gesehen am 15.08.2019},
  journal={JMIR Research Protocols},
  doi={10.2196/resprot.8915},
}
@article{UBHD-68406449,
  author={El-Shafie, Rami and Paul, Angela and Bernhardt, Denise and Uzun-Lang, Kristin and Welzel, Thomas and Sprave, Tetyana and Hommertgen, Adriane and Krisam, Johannes and Schmitt, Daniela and Kl{\"u}ter, Sebastian and Schubert, Kai and Klose, Christina and Kieser, Meinhard and Debus, J{\"u}rgen and Rieken, Stefan},
  title={Robotic radiosurgery for brain metastases diagnosed with either SPACE or MPRAGE sequence (CYBER-SPACE)},
  subtitle={a single-center prospective randomized trial},
  year={2019},
  pages={253-260},
  language={eng},
  issn={1524-4040},
  volume={84},
  number={1},
  note={Published: 15 March 2018 ; Gesehen am 09.07.2019},
  journal={Neurosurgery},
  doi={10.1093/neuros/nyy026},
}
@article{UBHD-68421036,
  author={El-Shafie, Rami and Kronsteiner, Dorothea and Bougatf, Nina and Sprave, Tetyana and Oetzel, Dieter and Huber, Peter E. and Debus, J{\"u}rgen and Nicolay, Nils},
  title={Supportive care in radiotherapy based on a mobile app},
  subtitle={prospective multicenter survey},
  year={2018},
  pages={14 S.},
  language={eng},
  issn={2291-5222},
  volume={6(2018},
  note={Gesehen am 15.08.2019},
  journal={JMIR mhealth and uhealth},
  doi={10.2196/10916},
}
@article{UBHD-68568693,
  author={F{\"o}rster, Robert and Hees, Katharina and Bruckner, Thomas and Bostel, Tilman and Schlampp, Ingmar and Sprave, Tetyana and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Survival and stability of patients with urothelial cancer and spinal bone metastases after palliative radiotherapy},
  year={2017},
  pages={189-194},
  language={eng},
  issn={1581-3207},
  volume={52},
  number={2},
  note={Gesehen am 21.04.2020},
  journal={Radiology and oncology},
  doi={10.1515/raon-2017-0038},
}
@book{UBHD-68097466,
  author={Meyerhof, Eva and Sprave, Tetyana and Welte, Stefan Ezechiel and Nicolay, Nils and F{\"o}rster, Robert and Bostel, Tilman and Bruckner, Thomas and Schlampp, Ingmar and Debus, J{\"u}rgen and Rief, Harald},
  title={Radiation-induced toxicity after image-guided and intensity-modulated radiotherapy versus external beam radiotherapy for patients with spinal bone metastases (IRON-1)},
  subtitle={a study protocol for a randomized controlled pilot trial},
  publisher={BioMed Central},
  address={London},
  year={2017},
  pages={1 Online-Ressource},
  language={eng},
  note={Aus: Trials, 18 (2017), Nr. 98. pp. 1-5. ISSN 1468-6694},
  doi={10.1186/s13063-017-1847-1},
  url={https://nbn-resolving.org/urn:nbn:de:bsz:16-heidok-227079},
  library={UB},
}
@article{UBHD-68102503,
  author={Meyerhof, Eva and Sprave, Tetyana and Welte, Stefan Ezechiel and Nicolay, Nils and F{\"o}rster, Robert and Bostel, Tilman and Bruckner, Thomas and Schlampp, Ingmar and Debus, J{\"u}rgen and Rief, Harald},
  title={Radiation-induced toxicity after image-guided and intensity-modulated radiotherapy versus external beam radiotherapy for patients with spinal bone metastases (IRON-1)},
  subtitle={a study protocol for a randomized controlled pilot trial},
  year={2017},
  language={eng},
  issn={1468-6694 and 1745-6215},
  volume={18(2017) Artikel-Nummer 98},
  number={5 Seiten},
  note={Gesehen am 23.03.2017},
  journal={Trials},
  doi={10.1186/s13063-017-1847-1},
  url={http://dx.doi.org/10.1186/s13063-017-1847-1},
  library={UB},
}
@book{UBHD-68347516,
  author={Sprave, Tetyana and F{\"o}rster, Robert and Schlampp, Ingmar and Hees, Katharina and Bruckner, Thomas and Bostel, Tilman and El-Shafie, Rami and Welzel, Thomas and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Bone density and pain response following intensity-modulated radiotherapy versus three-dimensional conformal radiotherapy for vertebral metastases},
  subtitle={secondary results of a randomized trial},
  publisher={BioMed Central},
  address={London},
  year={2018},
  pages={1 Online-Ressource (10 Seiten)},
  language={eng},
  note={Aus: Radiation Oncology, 13 (October 2018), Nr. 212. pp. 1-10. ISSN 1748-717X},
  doi={10.1186/s13014-018-1161-4},
  url={https://nbn-resolving.org/urn:nbn:de:bsz:16-heidok-255527},
  library={UB},
}
@article{UBHD-68326756,
  author={Sprave, Tetyana and Verma, Vivek and F{\"o}rster, Robert and Schlampp, Ingmar and Hees, Katharina and Bruckner, Thomas and Bostel, Tilman and El-Shafie, Rami and Welzel, Thomas and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Bone density and pain response following intensity-modulated radiotherapy versus three-dimensional conformal radiotherapy for vertebral metastases - secondary results of a randomized trial},
  year={2018},
  pages={10 S.},
  language={eng},
  issn={1748-717X},
  volume={13},
  number={Artikel-ID 212},
  note={Gesehen am 09.11.2018},
  journal={Radiation oncology},
  doi={10.1186/s13014-018-1161-4},
  url={http://dx.doi.org/10.1186/s13014-018-1161-4},
  library={UB},
}
@article{UBHD-68561047,
  author={Sprave, Tetyana and Verma, Vivek and Sterzing, Florian and Bruckner, Thomas and Hees, Katharina and Land, Beate and J{\"a}kel, Oliver and Herfarth, Klaus and Debus, J{\"u}rgen and Uhl, Matthias},
  title={Cost-effectiveness of carbon ion radiation therapy for skull base chordoma utilizing long-term (10-year) outcome data},
  year={2018},
  pages={4853-4858},
  language={eng},
  issn={1791-7530},
  volume={38},
  number={8},
  note={Gesehen am 03.04.2020},
  journal={Anticancer research},
  doi={10.21873/anticanres.12797},
}
@book{UBHD-68299892,
  author={Sprave, Tetyana and Hees, Katharina and Bruckner, Thomas and F{\"o}rster, Robert and Bostel, Tilman and Schlampp, Ingmar and El-Shafie, Rami and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={The influence of fractionated radiotherapy on the stability of spinal bone metastases},
  subtitle={a retrospective analysis from 1047 cases},
  publisher={BioMed Central},
  address={London},
  year={2018},
  pages={1 Online-Ressource (9 Seiten)},
  language={eng},
  note={Aus: Radiation Oncology, 13 (2018), Nr. 134. pp. 1-9. ISSN 1748-717X},
  doi={10.1186/s13014-018-1082-2},
  url={https://nbn-resolving.org/urn:nbn:de:bsz:16-heidok-251696},
  library={UB},
}
@article{UBHD-68293177,
  author={Sprave, Tetyana and Hees, Katharina and Bruckner, Thomas and F{\"o}rster, Robert and Bostel, Tilman and Schlampp, Ingmar and El-Shafie, Rami and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={The influence of fractionated radiotherapy on the stability of spinal bone metastases},
  subtitle={a retrospective analysis from 1047 cases},
  year={2018},
  language={eng},
  issn={1748-717X},
  volume={13(2018) Artikel-Nummer 134},
  number={9 Seiten},
  note={Gesehen am 08.08.2018},
  journal={Radiation oncology},
  doi={10.1186/s13014-018-1082-2},
  url={http://dx.doi.org/10.1186/s13014-018-1082-2},
  library={UB},
}
@book{UBHD-68253226,
  author={Sprave, Tetyana and Welte, Stefan Ezechiel and Bruckner, Thomas and F{\"o}rster, Robert and Bostel, Tilman and Schlampp, Ingmar and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Intensity-modulated radiotherapy with integrated-boost in patients with bone metastasis of the spine},
  subtitle={study protocol for a randomized controlled trial},
  publisher={BioMed Central},
  address={London},
  year={2018},
  pages={1 Online-Ressource},
  language={eng},
  note={Aus: Trials, 19 (2018), Nr. 59. pp. 1-6. ISSN 1468-6694},
  doi={10.1186/s13063-018-2452-7},
  url={https://nbn-resolving.org/urn:nbn:de:bsz:16-heidok-243344},
  library={UB},
}
@article{UBHD-68220499,
  author={Sprave, Tetyana and Welte, Stefan Ezechiel and Bruckner, Thomas and F{\"o}rster, Robert and Bostel, Tilman and Schlampp, Ingmar and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Intensity-modulated radiotherapy with integrated-boost in patients with bone metastasis of the spine},
  subtitle={study protocol for a randomized controlled trial},
  year={2018},
  language={eng},
  issn={1468-6694 and 1745-6215},
  volume={19(2018) Artikel-Nummer 59},
  number={6 Seiten},
  note={Gesehen am 15.02.2018},
  journal={Trials},
  doi={10.1186/s13063-018-2452-7},
  url={http://dx.doi.org/10.1186/s13063-018-2452-7},
  library={UB},
}
@article{UBHD-68306392,
  author={Sprave, Tetyana and F{\"o}rster, Robert and Schlampp, Ingmar and Hees, Katharina and Bruckner, Thomas and Bostel, Tilman and El-Shafie, Rami and Welzel, Thomas and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Local response and pathologic fractures following stereotactic body radiotherapy versus three-dimensional conformal radiotherapy for spinal metastases},
  subtitle={a randomized controlled trial},
  year={2018},
  pages={9 S.},
  language={eng},
  issn={1471-2407},
  volume={18(2018) Artikel-Nummer 859},
  number={9 Seiten},
  note={Gesehen am 20.09.2018},
  journal={BMC cancer},
  doi={10.1186/s12885-018-4777-8},
  url={http://dx.doi.org/10.1186/s12885-018-4777-8},
  library={UB},
}
@book{UBHD-68331159,
  author={Sprave, Tetyana and F{\"o}rster, Robert and Schlampp, Ingmar and Hees, Katharina and Bruckner, Thomas and Bostel, Tilman and El-Shafie, Rami and Welzel, Thomas and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Local response and pathologic fractures following stereotactic body radiotherapy versus three-dimensional conformal radiotherapy for spinal metastases - a randomized controlled trial},
  publisher={BioMed Central ; Springer},
  address={London ; Berlin ; Heidelberg},
  year={2018},
  pages={1 Online-Ressource (9 Seiten)},
  language={eng},
  note={Aus: BMC Cancer, 18 (2018), Nr. 859. pp. 1-9. ISSN 1471-2407},
  doi={10.1186/s12885-018-4777-8},
  url={https://nbn-resolving.org/urn:nbn:de:bsz:16-heidok-254530},
  library={UB},
}
@article{UBHD-68560627,
  author={Sprave, Tetyana and Verma, Vivek and F{\"o}rster, Robert and Schlampp, Ingmar and Bruckner, Thomas and Bostel, Tilman and El-Shafie, Rami and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Quality of life following stereotactic body radiotherapy versus three-dimensional conformal radiotherapy for vertebral metastases},
  subtitle={Secondary Analysis of an Exploratory Phase II Randomized Trial},
  year={2018},
  pages={4961-4968},
  language={eng},
  issn={1791-7530},
  volume={38},
  number={8},
  note={Gesehen am 02.04.2020},
  journal={Anticancer research},
  doi={10.21873/anticanres.12814},
}
@article{UBHD-68561041,
  author={Sprave, Tetyana and Verma, Vivek and F{\"o}rster, Robert and Schlampp, Ingmar and Hees, Katharina and Bruckner, Thomas and Bostel, Tilman and El-Shafie, Rami and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Quality of life and radiation-induced late toxicity following intensity-modulated versus three-dimensional conformal radiotherapy for patients with spinal bone metastases},
  subtitle={results of a randomized trial},
  year={2018},
  pages={4953-4960},
  language={eng},
  issn={1791-7530},
  volume={38},
  number={8},
  note={Gesehen am 03.04.2020},
  journal={Anticancer research},
  doi={10.21873/anticanres.12813},
}
@article{UBHD-68560655,
  author={Sprave, Tetyana and Verma, Vivek and F{\"o}rster, Robert and Schlampp, Ingmar and Bruckner, Thomas and Bostel, Tilman and Welte, Stefan Ezechiel and Tonndorf-Martini, Eric and El-Shafie, Rami and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Radiation-induced acute toxicities after image-guided intensity-modulated radiotherapy versus three-dimensional conformal radiotherapy for patients with spinal metastases (IRON-1 trial)},
  subtitle={first results of a randomized controlled trial},
  year={2018},
  pages={911-920},
  language={eng},
  issn={1439-099X},
  volume={194},
  number={10},
  note={Gesehen am 02.04.2020},
  journal={Strahlentherapie und Onkologie},
  doi={10.1007/s00066-018-1333-z},
}
@article{UBHD-68561034,
  author={Sprave, Tetyana and Verma, Vivek and F{\"o}rster, Robert and Schlampp, Ingmar and Bruckner, Thomas and Bostel, Tilman and Welte, Stefan Ezechiel and Tonndorf-Martini, Eric and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Randomized phase II trial evaluating pain response in patients with spinal metastases following stereotactic body radiotherapy versus three-dimensional conformal radiotherapy},
  year={2018},
  pages={274-282},
  language={eng},
  issn={1879-0887},
  volume={128},
  number={2},
  note={Gesehen am 03.04.2020},
  journal={Radiotherapy and oncology},
  doi={10.1016/j.radonc.2018.04.030},
}
@article{UBHD-68315323,
  author={Uzun-Lang, Kristin and K{\"o}nig, Laila and Bruckner, Thomas and F{\"o}rster, Robert and Sprave, Tetyana and Schlampp, Ingmar and Bostel, Tilman and Welte, Stefan Ezechiel and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Stability of spinal bone lesions in patients with multiple myeloma after radiotherapy - a retrospective analysis of 130 cases},
  year={2017},
  pages={e99-e107},
  language={eng},
  issn={2152-2669},
  volume={17},
  number={12},
  note={Gesehen am 15.10.2018},
  journal={Clinical lymphoma, myeloma & leukemia},
  doi={10.1016/j.clml.2017.09.005},
}
@article{UBHD-68564004,
  author={Verma, Vivek and Sprave, Tetyana and Haque, Waqar and Simone, Charles B. and Chang, Joe Y. and Welsh, James W. and Thomas, Charles R.},
  title={A systematic review of the cost and cost-effectiveness studies of immune checkpoint inhibitors},
  year={2018},
  pages={15 S.},
  language={eng},
  issn={2051-1426},
  volume={6(2018},
  note={Gesehen am 14.04.2020},
  journal={Journal for ImmunoTherapy of Cancer},
  doi={10.1186/s40425-018-0442-7},
}
@book{UBHD-68106290,
  author={Welte, Stefan Ezechiel and Wiskemann, Joachim and Rosenberger, Friederike and F{\"o}rster, Robert and Bostel, Tilman and Bruckner, Thomas and Schlampp, Ingmar and Meyerhof, Eva and Sprave, Tetyana and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Differentiated resistance training of the paravertebral muscles in patients with unstable spinal bone metastasis under concomitant radiotherapy},
  subtitle={study protocol for a randomized pilot trial},
  publisher={BioMed Central},
  address={London},
  year={2017},
  pages={1 Online-Ressource (7 Seiten)},
  language={eng},
  note={Aus: Trials, 18 (2017), Nr. 155. pp. 1-7. ISSN 1468-6694},
  doi={10.1186/s13063-017-1903-x},
  url={https://nbn-resolving.org/urn:nbn:de:bsz:16-heidok-228082},
  library={UB},
}
@article{UBHD-68116647,
  author={Welte, Stefan Ezechiel and Wiskemann, Joachim and Rosenberger, Friederike and F{\"o}rster, Robert and Bostel, Tilman and Bruckner, Thomas and Schlampp, Ingmar and Meyerhof, Eva and Sprave, Tetyana and Nicolay, Nils and Debus, J{\"u}rgen and Rief, Harald},
  title={Differentiated resistance training of the paravertebral muscles in patients with unstable spinal bone metastasis under concomitant radiotherapy},
  subtitle={study protocol for a randomized pilot trial},
  year={2017},
  language={eng},
  issn={1468-6694 and 1745-6215},
  volume={18(2017) Artikel-Nummer 155},
  number={7 Seiten},
  note={Gesehen am 08.05.2017},
  journal={Trials},
  doi={10.1186/s13063-017-1903-x},
  url={http://dx.doi.org/10.1186/s13063-017-1903-x},
  library={UB},
}