title: Vitamin D2, vitamin D3, and the tolerable upper intake level.
authors.forename: Fergus E
authors.initials: FE
authors.lastname: McKiernan
authors.forename: Carmen
authors.initials: C
authors.lastname: Wiley
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002762:Cholecalciferol / Q000378:metabolism*; D053493:Cholestanetriol 26-Monooxygenase / Q000378:metabolism; D004872:Ergocalciferols / Q000009:adverse effects* / Q000378:metabolism*; D005260:Female; D005919:Glomerular Filtration Rate; D006801:Humans; D016014:Linear Models; D009748:Nutrition Disorders / Q000378:metabolism; D014808:Vitamin D Deficiency / Q000175:diagnosis* / Q000378:metabolism*
chemical_list: D004872:Ergocalciferols; D002762:Cholecalciferol; D053493:Cholestanetriol 26-Monooxygenase