Breadcrumb Home News New Large Animal Model to Study Treatment for PTOA Thursday, April 27, 2017 CDMRP http://cdmrp.army.mil/prorp/research_highlights/17goetz_highlight.aspx Jessica Goetz, PhD and Yuki Tochigi, MD, PhD are developing and using a large animal survival model to study treatment for intra-articular fracture-induced posttraumatic osteoarthritis.