title: Occurrence of polymyalgia rheumatica in rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000150:complications*; D001799:Blood Sedimentation; D013700:Giant Cell Arteritis / Q000150:complications; D006801:Humans; D011111:Polymyalgia Rheumatica / Q000150:complications*