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Responsiveness of the cough and sputum assessment questionnaire in exacerbations of COPD and chronic bronchitis
Brigitta U. Monz, Paul Sachs, Jeffrey McDonald, Bruce Crawford, Michael C. Nivens, Kay TetzlaffVolume:
104
Année:
2010
Langue:
english
DOI:
10.1016/j.rmed.2009.10.026
Fichier:
PDF, 227 KB
english, 2010