We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleThree-Phase Model Harmonizes Estimates of the Maximal Suppression of Parathyroid Hormone by 25-Hydroxyvitamin D in Persons 65 Years of Age and Older.AuthorsDurazo-Arvizu, Ramón A.; Dawson-Hughes, Bess; Sempos, Christopher T.PublicationJournal of Nutrition, 2010, Vol 140, Issue 3, p595ISSN0022-3166Publication typearticleDOI10.3945/jn.109.116681