Objective To study the clinical features and methods of early diagnosis of juvenile ankylosing spondylitis(JAS).

目的探讨儿童型强直性脊柱炎（JAS）的临床表现及早期诊断方法。

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Objective To study the clinical features and methods of early diagnosis of juvenile ankylosing spondylitis(JAS).

目的探讨儿童型强直性脊柱炎（JAS）的临床表现及早期诊断方法。

youdao