title: Isolation of a new metabolite of vitamin D produced in vivo, 1 alpha,25-dihydroxyvitamin D3-26,23-lactone.
mesh_terms: D000818:Animals; D002117:Calcitriol / Q000031:analogs & derivatives*; D002762:Cholecalciferol / Q000378:metabolism*; D004100:Dihydroxycholecalciferols / Q000097:blood* / Q000302:isolation & purification; D005260:Female; D006887:Hydroxycholecalciferols / Q000097:blood*; D013058:Mass Spectrometry; D051381:Rats; D013056:Spectrophotometry, Ultraviolet
chemical_list: D004100:Dihydroxycholecalciferols; D006887:Hydroxycholecalciferols; D002762:Cholecalciferol; C026947:1,25-dihydroxyvitamin D3-26,23-lactone; D002117:Calcitriol