Core Set of Radiographic Parameters for Shoulder Arthroplasty Monitoring oleh Holger Durchholz, MD, Björn Salomonsson, MD, Philipp Moroder, MD, Simon Lambert, FRCS(Ed&Orth), Richard Page, FRACS, Laurent Audigé, PhD, on behalf of the Shoulder Arthroplasty (SA) Monitoring Steering Group, John Sperling, MD, Hans-Kaspar Schwyzer, MD