Subregional anatomical prevalence of cartilage damage in knees with radiographic disease severity Kellgren-Lawrence 2 and 3: the most study. (April 2021) - Roemer, F.W.; Felson, D.T.; Stefanik, J.J.; Rabasa, G.; Wang, N.; Crema, M.; Neogi, T.; Lynch, J.A.; Nevitt, M.C.; Torner, J.; Lewis, C.E.; Guermazi, A.