Shortness of Breath with Daily Activities questionnaire: validation and responder thresholds in patients with chronic obstructive pulmonary disease

por Watkins, Michael L, Wilcox, Teresa K, Tabberer, Maggie, Brooks, Jean M, Donohue, James F, Anzueto, Antonio, Chen, Wen-Hung, Crim, Courtney
Publicado 2013