Tissue microarray detection of matrix metalloproteinases, in diseased tricuspid and bicuspid aortic valves with or without pathology of the ascending aorta - Koullias, G J; Korkolis, D P; Ravichandran, P; Psyrri, A; Hatzaras, I; Elefteriades, J A (Eur J Cardiothorac Surg, 2004)