Assertion: prostaglandin | /r/HasProperty | instrumental
Facets:
value: in the newborn
type: LOCATION
value: in termination of umbilical blood flow
type: TEMPORAL
Source sentences:
text: In the newborn, as soon as the lung is functional, prostaglandins are instrumental in termination of umbilical blood flow and in the diversion of venous blood to the lung for proper aeration.)