Document Type : RESEARCH PAPER
Authors
1 Department of Orthopaedic Surgery, Pennsylvania Hospital, Philadelphia, PA, USA
2 Department of Medicine, Penn Presbyterian Medical Center, Medical Arts Building, Philadelphia, PA, USA
3 Department of Orthopaedic Surgery, Penn Presbyterian Medical Center,Philadelphia, PA, USA
4 Department of Orthopaedic Surgery, Penn Presbyterian Medical Center, Philadelphia, PA, USA
Abstract
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