Yates, M., Owen, C. E., Muller, S., Graham, K., Neill, L., Twohig, H., …Working Group, O. P. (2020). Feasibility and Face Validity of Outcome Measures for Use in Future Studies of Polymyalgia Rheumatica: An OMERACT Study. Journal of Rheumatology, 47(9), 1379-1384. https://doi.org/10.3899/jrheum.190575