Ecker Malcolm L
Perelman School of Medicine, University of Pennsylvania, The Children's Hospital of Philadelphia, 34th and Civic Center Blvd, Philadelphia, PA, 19103, USA,
Clin Orthop Relat Res. 2013 Oct;471(10):3260-1. doi: 10.1007/s11999-013-3107-3. Epub 2013 Jun 22.