@article{RichterPolatLawrenzetal.2016,
  author    = {Anne Richter and B{\"u}lent Polat and Ingulf Lawrenz and Stefan Weick and Otto Sauer and Michael Flentje and Frederick Mantel},
  title     = {Initial results for patient setup verification using transperineal ultrasound and cone beam CT in external beam radiation therapy of prostate cancer},
  journal   = {Radiation Oncology},
  volume    = {11},
  number    = {147},
  doi       = {10.1186/s13014-016-0722-7},
  year      = {2016},
}