title: Vitamin A and carotene levels of a selected population in metropolitan Washington, D. C.
mesh_terms: D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D000368:Aged; D002338:Carotenoids / Q000378:metabolism*; D002648:Child; D002675:Child, Preschool; D004219:District of Columbia; D005260:Female; D006331:Heart Diseases / Q000378:metabolism; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007938:Leukemia / Q000378:metabolism; D008099:Liver / Q000378:metabolism*; D008107:Liver Diseases / Q000378:metabolism; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000378:metabolism; D009748:Nutrition Disorders / Q000453:epidemiology; D011247:Pregnancy; D012140:Respiratory Tract Diseases / Q000378:metabolism; D012737:Sex Factors; D014801:Vitamin A / Q000378:metabolism*
chemical_list: D014801:Vitamin A; D002338:Carotenoids