The population-based prevalence of hip symptoms, radiographic, and symptomatic hip OA over 26 years: the Johnston county osteoarthritis project. Issue 1 (April 2020) - Nelson, A.E.; Hu, D.; Arbeeva, L.; Alvarez, C.; Cleveland, R.J.; Schwartz, T.A.; Murphy, L.B.; Helmick, C.G.; Callahan, L.F.; Renner, J.B.; Jordan, J.M.; Golightly, Y.M.