Bittar, N Vein graft flow and reactive hyperemia in the human heart. [electronic resource] - The Journal of thoracic and cardiovascular surgery Dec 1972 - 855-60 p. digital Publication Type: Journal Article ISSN: 0022-5223 Subjects--Topical Terms: Blood Flow VelocityCollateral CirculationCoronary Artery BypassCoronary CirculationCoronary Disease--surgeryCoronary VesselsEvaluation Studies as TopicHumansHyperemia--etiologyMyocardial Infarction--surgerySaphenous Vein--transplantationTime FactorsTransplantation, Autologous