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In vitro (A) and in vivo (B) retention of antimicrobial activities of catheters. Each point represents the average of four (in vivo experiments) or five (in vitro experiments) catheter segments. ▴, CS2 catheter; ●, CS1 catheter. The dashed line represents the diameter of the catheter. Logarithmic regression lines were fitted for the representation of retention of antimicrobial activity in vivo (B).
