@misc{indiciae3c952e310dbc,
  title = {Technical note: A novel boundary condition using contact elements for finite element based deformable image registration.},
  author = {Tiezhi Zhang and Nigel P Orton and T Rockwell Mackie and Bhudatt R Paliwal},
  year = {2004},
  doi = {10.1118/1.1774131},
  url = {https://pubmed.ncbi.nlm.nih.gov/15487720/},
  note = {Source identifier: 15487720}
}