[Rheumatoid arthritis (problems of diagnosis and the course of an early stage)].
D001170:Arthritis, Infectious / Q000175:diagnosis; D001172:Arthritis, Rheumatoid / Q000145:classification / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D013997:Time Factors
Revmatoidyĭ artrit (voprosy diagnostiki i techeniia ranneĭ stadii).