title: Invited commentary.
authors.affiliation: Department of Surgery, University of Pittsburgh, McGowan Institute for Regenerative Medicine, 450 Technology Dr, Ste 300, Pittsburgh, PA 15219, USA. badylaks@upmc.edu
authors.forename: Stephen F
authors.initials: SF
authors.lastname: Badylak
mesh_terms: D020341:Absorbable Implants; D000818:Animals; D019919:Prosthesis Implantation / Q000379:methods*; D054457:Tissue Scaffolds; D014132:Trachea / Q000601:surgery*