@article{Challa2018, author = "Divya N. V. Challa and Cynthia S. Crowson and John M. DavisIII", title = "{The Patient Global Assessment of Disease Activity in Rheumatoid Arthritis: Identification of Underlying Latent Factors}", year = "2018", month = "4", url = "https://adisjournals.figshare.com/articles/figure/The_Patient_Global_Assessment_of_Disease_Activity_in_Rheumatoid_Arthritis_Identification_of_Underlying_Latent_Factors/6121958", doi = "10.6084/m9.figshare.6121958.v1" }