Chief, Division of Orthopaedic Surgery, CHOP; Richard M. Armstrong, Jr. Endowed Chair in Orthopaedic Surgery; Professor of Orthopaedic Surgery, University of Pennsylvania


Chief, Division of Orthopaedic Surgery, CHOP; Richard M. Armstrong, Jr. Endowed Chair in Orthopaedic Surgery; Professor of Orthopaedic Surgery, University of Pennsylvania