TY - JOUR T1 - Important changes in medical x‐ray imaging facility shielding design methodology. A brief summary of recommendations in NCRP Report No. 147 JO - Medical Physics UR - https://doi.org/10.1118/1.2124587 PY - 2005/11/15 AU - Archer BR AU - Gray JE ED - DO - DOI: 10.1118/1.2124587 PB - Wiley VL - 32 IS - 12 SP - 3599 EP - 3601 Y2 - 2025/11/25 ER -