A complex diagnostic problem: the differentiation among  gonococcal arthritis, Reiter's syndrome, and rheumatoid arthritis.
D000328:Adult; D001170:Arthritis, Infectious / Q000175:diagnosis*; D016918:Arthritis, Reactive / Q000175:diagnosis*; D001172:Arthritis, Rheumatoid / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006069:Gonorrhea / Q000175:diagnosis*; D006801:Humans; D008297:Male