Assertion: citrate's fentanyl | /r/HasProperty | administered to pregnant rabbits
Facets:
value: subcutaneously
type: MANNER
value: during the period of organogenesis
type: TEMPORAL
Source sentences:
text: Fentanyl (50, 100, or 250 mcg/kg) was also administered subcutaneously to pregnant rabbits during the period of organogenesis (GD 6 to 18).