@misc{indiciae82eafe572c13,
  title = {Accurate attenuation correction for a 3D PET system.},
  author = {B T McKee and R Clack and P J Harvey and L G Hiltz and M J Hogan and D C Howse},
  year = {1991},
  doi = {10.1088/0031-9155/36/5/004},
  url = {https://pubmed.ncbi.nlm.nih.gov/2068226/},
  note = {Source identifier: 2068226}
}