@article{824306, author = {J Williamson and Bert Coursey and Larry DeWerd and W Hanson and Ravinder Nath and Geoffrey Ibbott}, title = {Guidance to Users of Nycomed-Amersham and North American Scientific 125I Interstitial Sources: Dosimetry and Calibration Changes: Recommendations of the American Association of Physicists in Medicine Radiation Therapy Committee Ad Hoc Subcommit}, year = {1999}, number = {26}, month = {1999-01-01 00:01:00}, publisher = {Medical Physics}, language = {en}, }