title: A prospective study of the progression of rheumatoid arthritis of the cervical spine.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000150:complications*; D002574:Cervical Vertebrae / Q000000981:diagnostic imaging / Q000503:physiopathology; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010146:Pain; D011446:Prospective Studies; D011859:Radiography; D013122:Spinal Diseases / Q000209:etiology