title: An improved source of receptor for 1,25-dihydroxyvitamin D3 assay.
mesh_terms: D000818:Animals; D002117:Calcitriol / Q000032:analysis*; D002417:Cattle; D003600:Cytosol / Q000032:analysis; D005260:Female; D006801:Humans; D007774:Lactation; D008321:Mammary Glands, Animal / Q000032:analysis; D011247:Pregnancy; D018167:Receptors, Calcitriol; D011987:Receptors, Steroid / Q000302:isolation & purification*
chemical_list: D018167:Receptors, Calcitriol; D011987:Receptors, Steroid; D002117:Calcitriol