@article{article755,
  title = {How to determine margins for planning target volume (PTV): from 2D to 3D planning in radiotherapy for head and neck cancer? Portal imaging assessment for set-up errors},
  author = {Evrim BAYMAN, },
  journal = {Turk J Oncol},
  year = {2010},
  volume = {25},
  pages = {104-110},
  doi = {}
}