title: ICRU: a historical perspective of 90 years of radiation science.
authors.forename: Paul M
authors.initials: PM
authors.lastname: DeLuca
mesh_terms: D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007391:International Cooperation; D011853:Radiobiology / Q000266:history*; D011879:Radiotherapy Dosage / Q000592:standards*; D012015:Reference Standards; D012586:Science / Q000266:history*