Perttilä, J Comparison of the effects of centrifugal versus roller pump on the immune response in open-heart surgery. [electronic resource] - Perfusion Jul 1995 - 249-56 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0267-6591 Standard No.: 10.1177/026765919501000408 doi Subjects--Topical Terms: AgedCardiopulmonary BypassCentrifugationCoronary Artery BypassHumansImmunityLeukocyte CountLymphocyte ActivationMiddle Aged