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		<title>Machine learning flags hidden anxiety in children with chronic abdominal pain</title>
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					<description><![CDATA[A stacking machine learning model integrating pain, school, psychosocial, and family variables identified comorbid anxiety disorder in children and adolescents with functional abdominal pain disorders, achieving an AUC of 0.846 in internal validation.]]></description>
		
		
		
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