[Serum levels of vitamin A and carotene in different age groups].
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002338:Carotenoids / Q000097:blood*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D014801:Vitamin A / Q000097:blood*
D014801:Vitamin A; D002338:Carotenoids
Níveis séricos de vitamina A e caroteno em diferentes grupos etários.