TY - VIDEO AU - Mitch, Michael C2 - AAPM Newsletter DA - 2026-03-03 05:03:00 LA - en M1 - 51 PB - AAPM Newsletter PY - 2026 TI - Changes to NIST Air-Kerma Standards and ADCL Calibration Coefficients Following Adoption of ICRU 90 Recommendations UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=961264 ER -