@misc{indiciae18ea5368ca57,
  title = {Image comparison techniques for use with megavoltage imaging systems.},
  author = {P M Evans and J Q Gildersleve and E J Morton and W Swindell and R Coles and M Ferraro and C Rawlings and Z R Xiao and J Dyer},
  year = {1992},
  doi = {10.1259/0007-1285-65-776-701},
  url = {https://pubmed.ncbi.nlm.nih.gov/1393398/},
  note = {Source identifier: 1393398}
}