Measurement of 25-hydroxycholecalciferol in plasma.
D000293:Adolescent; D000328:Adult; D002112:Calcifediol; D005260:Female; D005759:Gastroenteritis / Q000097:blood*; D006801:Humans; D006887:Hydroxycholecalciferols / Q000097:blood*; D006996:Hypocalcemia / Q000097:blood*; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D011863:Radioimmunoassay; D012959:Socioeconomic Factors; D013472:Sunlight
D006887:Hydroxycholecalciferols; D002112:Calcifediol