A Novel Perfusion Catheter for Hybrid Procedures in Minimally Invasive Bypass Surgery - Strotmann, J M; Sack, F U; Roll, C; Dempfle, C E; Ruebsamen, K; Hagl, S; Babin-Ebell, J; Voelker, W (The Thoracic and Cardiovascular Surgeon, 2001)