Assertion: citrate's fentanyl | /r/HasProperty | administered to pregnant rats
Facets:
value: subcutaneously
type: MANNER
value: during the period of organogenesis
type: TEMPORAL
Source sentences:
text: Fentanyl (25, 50, or 100 mcg/kg) citrate was administered subcutaneously to pregnant rats during the period of organogenesis (Gestation Day, GD 6 to 17).