us-abim MCQ (SBA): COPD Initial Pharmacotherapy

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MediumRespiratory MedicineCOPD Initial Pharmacotherapyus-abimus-abfmus-usmle-step-2us-usmle-step-3

A 69-year-old with COPD (Group E: frequent exacerbations, eosinophils 120/µL) is starting maintenance therapy. Best initial pharmacologic regimen?

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