Is ankylosing spondylitis in childhood a distinct entity?
Petty
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D002675:Child, Preschool; D018450:Disease Progression; D006801:Humans; D012216:Rheumatic Diseases / Q000145:classification / Q000503:physiopathology; D013167:Spondylitis, Ankylosing / Q000145:classification* / Q000503:physiopathology