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Tissue Substitutes in Radiation Dosimetry and Measurement (Report 44)

ICRP PUBLICATION 23: REFERENCE MAN: ANATOMICAL, PHYSIOLOGICAL AND METABOLIC

CHARACTERISTICS, 23

Note: implicit assumption that elemental

composition, weights and density

values correspond to ‘standard’

compositions as in ICRU 44 and ICRP23

This ignores patient to patient variation (~15%)

‘ body tissue compositions should not be given

the standing of physical constants’

Gender? Ethnicity? Number of samples?