AU - Calhoun, Jason H. TI - You Have to Crawl Before You WalkCommentary on an article by Bernhard Kessler, MD, et al.: “Risk Factors for Periprosthetic Ankle Joint Infection: A Case-Control Study” PT - JOUR DP - 2012 TA - The Journal of Bone & Joint Surgery PG - e155 1-2 VI - 94 IP - 20 AID - 10.2106/JBJS.L.00957 [doi] 4100 - http://dx.doi.org/10.2106/JBJS.L.00957 SO - The Journal of Bone & Joint Surgery October 17, 2012 94(20):e155 1