title: Polytetrafluoroethylene large vein replacements and high-altitude treks: Footnotes and footprints from Ben Eiseman's panoply of interests.
authors.affiliation: Department of Surgery, the University of Colorado School of Medicine, Aurora, Colo. Electronic address: jasgchandler@comcast.net.
authors.forename: James G
authors.initials: JG
authors.lastname: Chandler
authors.affiliation: Department of Surgery, the University of Colorado School of Medicine, Aurora, Colo.
authors.forename: Theresa L
authors.initials: TL
authors.lastname: Chin
authors.affiliation: Department of Surgery, the University of Colorado School of Medicine, Aurora, Colo.
authors.forename: Bruce C
authors.initials: BC
authors.lastname: Paton