![Vitamin D status is associated with bone mineral density and functional exercise capacity in patients with chronic obstructive pulmonary disease]()
Vitamin D status is associated with bone mineral density and functional exercise capacity in patients with chronic obstructive pulmonary diseaseRomme, Elisabeth A. P. M.; Rutten, Erica P. A.; Smeenk, Frank W. J. M.; Spruit, Martijn A.; Menheere, Paul P. C. A.; Wouters, Emiel F. M. · Annals of Medicine · 2013