@misc{indiciae655be3a2f32d,
  title = {Target motion measurement without implanted markers and its validation by comparison with manually obtained data.},
  author = {Lucia Vences and Jörn Wulf and Dirk Vordermark and Otto Sauer and Kajetan Berlinger and Michael Roth},
  year = {2005},
  doi = {10.1118/1.2103447},
  url = {https://pubmed.ncbi.nlm.nih.gov/16370430/},
  note = {Source identifier: 16370430}
}