Assertion: diphenhydramine's metabolite | /r/HasProperty | detected in the urine samples
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Source sentences:
text: RESULTS Diphenhydramine and N-desmethyldiphenhydramine began to be detectable by REMEDi-HS system in the serum samples 1 or 2 hours after the drug ingestion, and other two metabolites as well as them were detected in the urine samples (Figure 1).