... magnetic resonance imaging and radiographic manifestations of knee osteoarthritisLeonid Kalichman, Yuqing Zhang, Jingbo Niu, Joyce Goggins, Daniel Gale, Yanyan Zhu, David T Felson and David J ... 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 ... re-assessed intra-rater reliability by inserting one original reliabil-ity scan for every 10 new scans. Before reading each batch of MRIs, LK re-read five previously read MRIs to 'calibrate'...