Back pain--rarely a symptom of rheumatoid arthritis.
D001172:Arthritis, Rheumatoid / Q000150:complications / Q000175:diagnosis; D001416:Back Pain / Q000209:etiology*; D005598:Fractures, Spontaneous; D006801:Humans; D008297:Male; D008875:Middle Aged; D010024:Osteoporosis / Q000150:complications*; D013904:Thoracic Vertebrae