Use of Radiology Procedure Codes in Health Care: The Need for Standardization and Structure,
Wang, K. C., Patel J. B., Vyas B., Toland M., Collins B., Vreeman D. J., Abhyankar S., Siegel E. L., Rubin D. L., and Langlotz C. P.
, Radiographics, Jul-Aug, Volume 37, Number 4, p.1099-1110, (2017)