title: ACI Versus Microfracture: The Debate Continues: Commentary on an article by Gunnar Knutsen, MD, PhD, et al.: "A Randomized Multicenter Trial Comparing Autologous Chrondrocyte Implantation with Microfracture: Long-Term Follow-up at 14 to 15 Years".
authors.affiliation: University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
authors.forename: Freddie H
authors.initials: FH
authors.lastname: Fu
authors.affiliation: University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania.
authors.forename: Ashish
authors.initials: A
authors.lastname: Soni
mesh_terms: D054544:Arthroplasty, Subchondral; D002358:Cartilage, Articular / Q000601:surgery; D019902:Chondrocytes; D005500:Follow-Up Studies; D015775:Fractures, Stress; D006801:Humans; D014182:Transplantation, Autologous