Ethics of placebo controlled studies of inhaled steroids for COPD / 51

Hahn DL, Burge PS, Lewis SA
Thorax 2004;59 :538 –543*
Further discussion of differences between the patient-oriented (e.g., quality of life) and disease-oriented (e.g. pulmonary function) approaches to interpreting the results of clinical studies. The importance to patients of making clear distinctions between these two perspectives cannot be overestimated.

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