Assertion: opium's use | /r/HasProperty | discussed by pedanius dioscorides
Facets:
value: in his five-volume work
type: LOCATION
Source sentences:
text: The medical use of opium is later discussed by Pedanius Dioscorides (c. 40 – 90 AD), a Greek physician serving in the Roman army, in his five-volume work, De Materia Medica.