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Release profiles of ciprofloxacin and azithromycin in the CASS vs CSS. A, Release profile of ciprofloxacin in the CASS vs CSS showing a sustained release over the 4‐week period in the CASS vs an initial burst release in the CSS. B, Release profile of azithromycin displaying sustained release over the 4‐week period in the CASS. Adapted from Reference 85. CASS, ciprofloxacin‐azithromycin sinus stent; CSS, ciprofloxacin sinus stent
