Radiation from sources other than the source of interest. It is due to cosmic rays and natural radioactivity in the environment.
Synonyms: Natural Radiation, Background Radiations, Radiations, Natural, Radiations, Background, Radiation, Natural, Natural Radiations, Radiation, Background, Background Radiation
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comment
91(71); was see under RADIATION, IONIZING 1976-90; was see under RADIATION 1975 ,91; was see under RADIATION, IONIZING 1976-90; was see under RADIATION 1975
identifier
D001417
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