Assertion: small intestine's number | /r/CapableOf | attempt to identify causative agent
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Source sentences:
text: There are numerous reports describing remissions or cure of IPSID in its early stages, after the use of broad-spectrum antibiotics or H. pylori eradication therapy (Ben-Ayed et al., 1989), and a number of studies have attempted to identify a causative agent underlying the development of IPSID.