Abstract 164: The Impact of the Adaptive Immune System On Ectopic Bone Formation. (May 2015) - Ranganathan, Kavitha; Li, Shuli; Loder, Shawn; Brownley, Cameron; Agarwal, Shailesh; Kraft, Casey; Eboda, Oluwatobi; Peterson, Jonathan; Cederna, Paul S.; Buchman, Steven R.; Levi, Benjamin