PT - JOURNAL ARTICLE ED - , TI - Medical Imaging: The Challenges of Radiation Risk Assessment DP - 2014 Dec 01 TA - Journal of Nuclear Medicine PG - 16N--17N VI - 55 IP - 12 4099 - http://jnm.snmjournals.org/content/55/12/16N.short 4100 - http://jnm.snmjournals.org/content/55/12/16N.full SO - J Nucl Med2014 Dec 01; 55