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机译:Inter- and intrareader variability in the interpretation of two radiographic classification systems for juvenile rheumatoid arthritis.
Department of Diagnostic Imaging, Heart Institute (InCor) and Radiology Institute (InRad), Hospital das Clinicas da Universidade de Sao Paulo, Sao Paulo, Brazil, andrea.doria@sickkids.ca;
Chronic Childhood Arthritis; Classification; agreement; Financially poor; 分类法;