us-abfm MCQ (SBA): Asthma-Stepwise Therapy

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ModerateRespiratory MedicineAsthma-Stepwise Therapyus-abfmus-abimus-abemus-usmle-step-2

A 45-year-old with no comorbidities has persistent cough and wheeze 2-3 times/week. He uses SABA most days. Best controller strategy per U.S. guideline?

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