Variants of rheumatoid arthritis.
D000328:Adult; D001168:Arthritis / Q000150:complications / Q000175:diagnosis*; D016918:Arthritis, Reactive / Q000175:diagnosis*; D001172:Arthritis, Rheumatoid / Q000175:diagnosis* / Q000209:etiology; D002675:Child, Preschool; D003093:Colitis, Ulcerative / Q000150:complications; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011565:Psoriasis / Q000150:complications; D013167:Spondylitis, Ankylosing / Q000175:diagnosis*