Koskenkari, J. K., J. Rimpiläinen, H. Öhman, H.-M. Surcel, V. Vainionpää, F. Biancari, T. Ala-Kokko, and T. Juvonen. “Leukocyte Filter Enhances Neutrophil Activation During Combined Aortic Valve and Coronary Artery Bypass Surgery”. The Heart Surgery Forum, vol. 9, no. 4, June 2006, pp. E693-E699, doi:10.1532/HSF98.20061008.