title: Invited commentary.
authors.affiliation: Department of Surgery, McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA15219, USA. badylaks@upmc.edu
authors.forename: Stephen F
authors.initials: SF
authors.lastname: Badylak
authors.forename: Thomas
authors.initials: T
authors.lastname: Gilbert
mesh_terms: D000818:Animals; D001013:Aorta, Thoracic / Q000637:transplantation*; D005976:Glutaral; D012756:Sheep; D054457:Tissue Scaffolds; D014132:Trachea / Q000601:surgery*
chemical_list: D005976:Glutaral