Background
ICRU Report No.29 (1978)
“Dose specification for reporting external beam therapy with
photons and electrons”
ICRU Report No.50 (1993)
“Prescribing, recording and reporting photon beam therapy”
(Superseded ICRU Report No.29)
ICRU Report No.62 (1999)
“Supplement to ICRU Report No.50”
(Updated the ICRU Report No.50 with some new
concepts. ICRU 50 still valid.)