[Atypical form of rheumatoid arthritis in an infant].
D000367:Age Factors; D001171:Arthritis, Juvenile / Q000150:complications / Q000175:diagnosis*; D003937:Diagnosis, Differential; D005260:Female; D006529:Hepatomegaly / Q000150:complications; D006801:Humans; D007223:Infant; D013163:Splenomegaly / Q000150:complications
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