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Fig. 1 | Respiratory Research

Fig. 1

From: Rescue medication use as a patient-reported outcome in COPD: a systematic review and regression analysis

Fig. 1

Data sources and selection criteria for the review. Abbreviations: COPD chronic obstructive pulmonary disease; EMA European Medicines Agency; Embase Excerpta Medica Database; FDA Food and Drug Administration; HTA Health Technology Assessment; ICS inhaled corticosteroid; LABA long-acting β2-agonist; LAMA long-acting muscarinic antagonist; MEDLINE Medical Literature Analysis and Retrieval System Online; NIHR National Institute for Health Research; WHO World Health Organization

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Respiratory Research

ISSN: 1465-993X

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