title: Efforts to improve bypass graft patency have not been "in vein".
authors.affiliation: Cardiovascular and Thoracic Surgery Department, University of Texas Southwestern Medical Center, Dallas, Tex. Electronic address: michael.jessen@utsouthwestern.edu.
authors.forename: Michael E
authors.initials: ME
authors.lastname: Jessen
mesh_terms: D005260:Female; D006801:Humans; D008297:Male; D008323:Mammary Arteries / Q000637:transplantation*; D012501:Saphenous Vein / Q000637:transplantation*