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Observational Study
Copyright: ©Author(s) 2026.
World J Clin Pediatr. Jun 9, 2026; 15(2): 118424
Published online Jun 9, 2026. doi: 10.5409/wjcp.v15.i2.118424
Figure 1
Figure 1 Flowchart of study enrollment. PPV: Positive predictive value; NPV: Negative predictive value; LR: Likelihood-ratio; CNS: Central nervous system; GI: Gastrointestinal.


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