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Background: Clarithromycin has established efficacy and safety in the treatment of respiratory infections.Objective: This study examined the efficacy and safety of a new extended-release formulation of clarithromycin compared with amoxicillin/clavulanate in the treatment of acute exacerbation of chronic bronchitis (AECB).Methods: This phase IIIB, multicenter, randomized, parallel-group, investigator-blinded...
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