[Problem of compensation of natural deficiency of ultraviolet rays in north; conference in Arkhangelsk on application of artificial ultraviolet irradiation].
D006801:Humans; D014466:Ultraviolet Rays
ULTRAVIOLET RAYS
Problema kompensatsii prirodnoi ul'trafioletovoi nedostatochnosti na severe; itogi nauchnogo soveshchaniia v Arkhangel'ske po primeneniiu iskusstvennogo ul'trafioletovogo islucheniia.