authors Bischoff-Ferrari, Heike A Willett, Walter C Wong, John B Stuck, Andreas E Staehelin, Hannes B Orav, E John Thoma, Anna Douglas P. Kiel, MD, MPH Henschkowski, Jana
has subject area Administration, Oral Aged Dietary Supplements Dose-Response Relationship, Drug Double-Blind Method Hip Fractures Humans Randomized Controlled Trials as Topic Vitamin D