The frequency of diseases of the upper air passages, including otitis, in rheumatoid arthritis.
D001172:Arthritis, Rheumatoid / Q000150:complications*; D004194:Disease; D004427:Ear Diseases; D006801:Humans; D009296:Nasal Cavity; D009668:Nose Diseases; D010031:Otitis / Q000150:complications*; D010608:Pharyngeal Diseases; D010614:Pharynx
ARTHRITIS, RHEUMATOID/complications; NASAL CAVITY/diseases; OTITIS/complications; THROAT/diseases