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Dietary Calcium and Serum 25-Hydroxyvitamin D Status in Relation to BMD Among U.S. AdultsBISCHOFF-FERRARI, Heike A; KIEL, Douglas P; DAWSON-HUGHES, Bess et al.Journal of bone and mineral research (Print). 2009, Vol 24, Num 5, pp 935-942, issn 0884-0431, 8 p.Article

Plasma 25-Hydroxyvitamin D Levels in Young Children Undergoing Placement of Tympanostomy TubesLINDAY, Linda A; SHINDLEDECKER, Richard D; DOLITSKY, Jay N et al.The Annals of otology, rhinology & laryngology. 2008, Vol 117, Num 10, pp 740-744, issn 0003-4894, 5 p.Article