Assertion: morphine | /r/HasProperty | ingested in preceding 2 to 4 days
Facets:
Source sentences:
text: Morphine has relative selectivity for the µ opioid receptor, although at higher doses it has been shown to have interaction with the κ and δ opioid receptors.3,4 Detection of morphine on a urine drug test provides information that morphine or a substance that metabolizes or contains morphine has been ingested in the preceding 2 to 4 days (Table 1).