Martineau, Adrian R Vitamin D3 supplementation in patients with chronic obstructive pulmonary disease (ViDiCO): a multicentre, double-blind, randomised controlled trial. [electronic resource] - The Lancet. Respiratory medicine Feb 2015 - 120-130 p. digital Publication Type: Journal Article; Multicenter Study; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 2213-2619 Standard No.: 10.1016/S2213-2600(14)70255-3 doi Subjects--Topical Terms: AgedCholecalciferol--therapeutic useDietary SupplementsDouble-Blind MethodFemaleHumansMaleMiddle AgedPulmonary Disease, Chronic Obstructive--bloodRespiratory Tract Infections--epidemiologyVitamin D--analogs & derivativesVitamin D Deficiency--bloodVitamins--therapeutic use