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Tags: 2005, Abdominal Pain/etiology, Adolescent, Appendicitis/diagnosis/radiography/surgery/ultrasonography, Bachur RG, Backlog, Child, Cohort Studies, Decision Support Techniques, Female, Fishman SJ, Humans, Journal Article, Kharbanda AB, Male, Pediatrics, Risk Factors, ROC Curve, Sensitivity and Specificity, Taylor GA
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