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Evaluation of patient perspectives on ease of learning to use (a) and ease of preparation of the inhaler (b) (on-treatment population; n = 117). Patients assessed ease of learning different aspects of B/F Turbuhaler® (visit 1) and B/F Easyhaler® (visits 2 and 3) use in everyday life using a questionnaire, answering closed questions scored on a six-point scale, 1 (very easy)–6 (unsatisfactory) [33]. B/F budesonide and formoterol fumarate
