@article{138691,
  author = {Bert Coursey and R Coll{eacute} and Brian Zimmerman and Jeffrey Cessna and D Golas},
  title = {National Radioactivity Standards for Beta-Emitting Radionuclides Used in Intravascular Brachytherapy},
  year = {1998},
  number = {41},
  month = {1998-01-01},
  publisher = {Int J Radiat Onc Bio Phys},
  language = {en},
}