[Study of natural radioactivity of man].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011188:Potassium / Q000097:blood; D011851:Radioactivity; D012737:Sex Factors
D011188:Potassium
Issledovanie estestvennoĭ radioaktivnosti cheloveka.