title: 'Classic papers' from the Acta Radiologica archives.
authors.affiliation: University of Oslo Medical School, Oslo, Norway a.skjennald@online.no.
authors.forename: Arnulf
authors.initials: A
authors.lastname: Skjennald
mesh_terms: D000818:Animals; D001109:Archives; D006168:Guinea Pigs; D049673:History, 20th Century; D006801:Humans; D007962:Leukocytes / Q000528:radiation effects; D010506:Periodicals as Topic; D010587:Phagocytosis; D011817:Rabbits; D011871:Radiology / Q000266:history*