• The duodenal string test capsule is a cheap and simple device used for sampling the contents of the upper gastrointestinal tract. Its major applications in pediatrics are in diagnosis of enteric parasitic infestations, confirmation of contaminated small-bowel syndrome, diagnosis of Salmonella infection, and assessment of neonatal cholestasis. Pediatricians should be aware of this invaluable diagnostic aid.
Korman SH. The Duodenal String Test: A Simple Multipurpose Diagnostic Tool in Clinical Pediatrics. Am J Dis Child. 1990;144(7):803–805. doi:10.1001/archpedi.1990.02150310071031
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