[On the question of the biological significance of environmental radiation].
D000818:Animals; D003445:Crustacea / Q000528:radiation effects*; D002523:Edible Grain / Q000528:radiation effects*; D004781:Environmental Exposure; D056890:Eukaryota / Q000528:radiation effects*; D011830:Radiation Effects; D011835:Radiation Protection
Zur Frage der biologischen Bedeutung der Umgebungs-Strahlung.