NIST means National Institute of Standards and Technology U.S.A. in Medical Physics
Similar to NIST
ODI - Optical distance indicatorOER - Oxygen enhancement ratio
OF - Obliquity factor; Output factor
OSL - Optically stimulated luminescence
PA - Postero-anterior
PDD - Percentage depth dose
PDD(10) - Percentage depth dose at 10 cm depth in water for a 10x10 cm2 field
View all in Medical Physics