![Vitamin D, vitamin D binding protein, lung function and structure in COPD]()
Vitamin D, vitamin D binding protein, lung function and structure in COPDBerg, Isaac; Hanson, Corrine; Sayles, Harlan; Romberger, Debra; Nelson, Amy; Meza, Jane; Miller, Bruce; Wouters, Emiel F.M.; MacNee, William; Rutten, E.P.A.; Romme, Elisabeth A.P.M.; Vestbo, Jørgen; Edwards, Lisa; Rennard, Stephen · Respiratory Medicine · 2013