Martha V. Mar, Renee L. Dickinson, William D. Erwin, Richard E. Wendt. Optimal 57Co Flood Source Activity and Acquisition Time for Lymphoscintigraphy Localization Images. Journal of Nuclear Medicine Technology Jun 2008, 36 (2) 82-87; DOI: 10.2967/jnmt.107.047043https://openworks.mdanderson.org/mdacc_imgphys_pubs/1008/thumbnail.jp