{Reference Type}: Journal Article {Title}: Arthroscopic Treatment of Posterior Ankle Impingement in the Supine Position Using Coaxial Posterior Portals. {Author}: Lui TH; {Journal}: Foot Ankle Int {Volume}: 35 {Issue}: 8 {Year}: Aug 2014 {Factor}: 3.569 {DOI}: 10.1177/1071100714534218 {Abstract}: