... Kalichman, Yuqing Zhang, Jingbo Niu, Joyce Goggins, Daniel Gale, Yanyan Zhu, David T Felson and David J HunterBoston University School of Medicine, Clinical Epidemiology Research and Training Unit, ... Foundation, and by an Arthritis Foundation Clinical Sciences Grant. The study sponsor was not involved in study design, in the collection, analysis, and interpretation of data, in the writing of the ... medial joint spacenarrowing. Results of our study clearly suggest the association between indices of patellar alignment and such features of patello-femoral OA as osteophytosis and joint space...