On the use of apparent activity (Aapp) for treatment planning of 125I and 103Pd interstitial brachytherapy sources: recommendations of the American Association of Physicists in Medicine radiation therapy committee subcommittee on low-energy brachytherapy source dosimetry.

@article{Williamson1999OnTU,
  title={On the use of apparent activity (Aapp) for treatment planning of 125I and 103Pd interstitial brachytherapy sources: recommendations of the American Association of Physicists in Medicine radiation therapy committee subcommittee on low-energy brachytherapy source dosimetry.},
  author={Jeffrey F. Williamson and Bert M. Coursey and Larry A Dewerd and William Hanson and Ravinder Nath and Mark J. Rivard and Geoffrey S. Ibbott},
  journal={Medical physics},
  year={1999},
  volume={26 12},
  pages={2529-30}
}