Cannulation of the Axillary Artery: The Decision between Direct Cannulation and Cannulation via Side Graft - Fleck, T; Ehrlich, M; Czerny, M; Hutschala, D; Tschernko, E; Mares, P; Wolner, E; Grabenwoger, M (The Thoracic and Cardiovascular Surgeon, 2005)