Assertion: castor oil's use | /r/AtLocation | use
Facets:
value: several centuries earlier
type: TEMPORAL
Source sentences:
text: Use of castor oil as a laxative is attested to in the circa 1550 BC Ebers Papyrus, and was in use several centuries earlier.
text: Use of castor oil as a laxative is attested to in the circa 1550 BC Ebers Papyrus, and was in use several centuries earlier.