title: A sensitive radioreceptor assay for 1 alpha, 25-dihydroxyvitamin D in biological fluids.
mesh_terms: D000818:Animals; D001667:Binding, Competitive; D002117:Calcitriol; D002645:Chickens; D002851:Chromatography, High Pressure Liquid / Q000379:methods; D004100:Dihydroxycholecalciferols / Q000097:blood*; D005260:Female; D006801:Humans; D006887:Hydroxycholecalciferols / Q000097:blood*; D008297:Male; D008832:Microchemistry; D011247:Pregnancy; D011869:Radioligand Assay; D051381:Rats; D012279:Rickets / Q000097:blood / Q000378:metabolism; D013045:Species Specificity; D014316:Tritium; D014337:Trout
chemical_list: D004100:Dihydroxycholecalciferols; D006887:Hydroxycholecalciferols; D014316:Tritium; D002117:Calcitriol