Assertion: small intestine's type | /r/HasProperty | small bowel intussusception
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Source sentences:
text: An unusual type of intussusception is a small bowel intussusception (SBI), accounting for less than 2% of all cases.31 Children with this variant are older than typical cases (mean age 4 to 4.5 years) and have a longer duration of symptoms prior to initial presentation (mean 76 hours).31,32