Ankylosing spondylitis and the other seronegative spondylarthritides.
D000293:Adolescent; D000328:Adult; D001168:Arthritis / Q000175:diagnosis; D001171:Arthritis, Juvenile / Q000175:diagnosis; D016918:Arthritis, Reactive / Q000175:diagnosis; D001172:Arthritis, Rheumatoid / Q000175:diagnosis; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011565:Psoriasis / Q000175:diagnosis; D013167:Spondylitis, Ankylosing / Q000175:diagnosis* / Q000628:therapy