Measuring symptom response to pharmacological interventions in patients with COPD: a review of instruments used in clinical trials

Author: Jadad Alejandro   Rizo Carlos   Cubillos Paola   Ståhl Elisabeth  

Publisher: Informa Healthcare

ISSN: 1473-4877

Source: Current Medical Research and Opinion, Vol.20, Iss.12, 2004-12, pp. : 1993-2005

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Abstract