title: [How should we accept the risk from low level radiation?].
authors.forename: Kazuo
authors.initials: K
authors.lastname: Sakai
mesh_terms: D017209:Apoptosis; D001417:Background Radiation; D004249:DNA Damage / Q000528:radiation effects; D006801:Humans; D009154:Mutation; D009381:Neoplasms, Radiation-Induced / Q000209:etiology / Q000473:pathology; D011829:Radiation Dosage; D011832:Radiation Injuries / Q000517:prevention & control*; D011835:Radiation Protection; D012306:Risk