DiFiori John P, Kinderknecht James
From the Division of Sports Medicine and Non-Operative Orthopaedics, University of California, Los Angeles (JPD); Hospital for Special Surgery, New York (JK); Weill Cornell Medical College, New York (JK).
J Am Board Fam Med. 2015 Nov-Dec;28(6):693-4. doi: 10.3122/jabfm.2015.06.150297.