Flow dynamics and wall shear stress in the left internal thoracic artery: composite arterial graft versus single graft☆ - Lemma, Massimo; Innorta, Andrea; Pettinari, Matteo; Mangini, Andrea; Gelpi, Guido; Piccaluga, Manuela; Danna, Paolo; Antona, Carlo (European Journal of Cardio-Thoracic Surgery ; volume 29, issue 4, page 473-478 ; ISSN 1010-7940, 2006)