Plasma vitamin A and beta-carotene in retinitis pigmentosa.
Plasma levels of vitamin A and beta-carotene were measured by spectrophotometry in 39 patients with genetically determined retinitis pigmentosa, No  difference was found between the levels in these patients and the levels in a control group.
D000293:Adolescent; D000328:Adult; D002338:Carotenoids / Q000097:blood*; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D012174:Retinitis Pigmentosa / Q000097:blood* / Q000150:complications / Q000235:genetics; D013053:Spectrophotometry; D014801:Vitamin A / Q000097:blood*; D014802:Vitamin A Deficiency / Q000150:complications
D014801:Vitamin A; D002338:Carotenoids