Close, Graeme L The effects of vitamin D(3) supplementation on serum total 25[OH]D concentration and physical performance: a randomised dose-response study. [electronic resource] - British journal of sports medicine Jul 2013 - 692-6 p. digital Publication Type: Journal Article; Randomized Controlled Trial ISSN: 1473-0480 Standard No.: 10.1136/bjsports-2012-091735 doi Subjects--Topical Terms: Athletic Performance--physiologyCholecalciferol--administration & dosageDose-Response Relationship, DrugExercise TestHumansVitamin D--analogs & derivativesVitamins--administration & dosageYoung Adult