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Paper published by Dr Johannes M.A Daniels:


Clinical Trial Report

Effects of daily vitamin D supplementation on respiratory muscle strength and physical performance in vitamin D-deficient COPD patients: a pilot trial

Rafiq R, Prins HJ, Boersma WG, Daniels JMA, den Heijer M, Lips P, de Jongh RT

International Journal of Chronic Obstructive Pulmonary Disease 2017, 12:2583-2592

Published Date: 28 August 2017