title: Cytidine deaminase--a new differential tool distinguishing elderly onset rheumatoid arthritis from polymyalgia rheumatica?
authors.forename: R C
authors.initials: RC
authors.lastname: Williams
mesh_terms: D017668:Age of Onset; D000368:Aged; D001172:Arthritis, Rheumatoid / Q000175:diagnosis* / Q000201:enzymology; D004796:Clinical Enzyme Tests; D003564:Cytidine Deaminase / Q000097:blood*; D003937:Diagnosis, Differential; D013700:Giant Cell Arteritis / Q000175:diagnosis* / Q000201:enzymology; D006801:Humans; D011111:Polymyalgia Rheumatica / Q000175:diagnosis* / Q000201:enzymology
chemical_list: D003564:Cytidine Deaminase