Assertion: marijuana's level | /r/HasProperty | detected for more than 5 weeks
Facets:
value: in the urine
type: LOCATION
value: in feces
type: LOCATION
value: following single dose administration
type: TEMPORAL
Source sentences:
text: Following single dose administration, low levels of dronabinol metabolites have been detected for more than 5 weeks in the urine and feces.