title: Rate of improvement was not different after osteochondral repair with matrix-induced autologous chondrocyte implantation or autologous chondrocyte implantation with a cover made from porcine-derived type I/type III collagen.
authors.affiliation: University of Pittsburgh School of Medicine Pittsburgh, PA, USA.
authors.forename: Freddie H
authors.initials: FH
authors.lastname: Fu