Assertion: dandy | /r/CapableOf | perform frontotemporal craniotomy
Facets:
value: on march
type: TEMPORAL
Source sentences:
text: On March 23, 1937, Dandy performed a frontotemporal craniotomy (which he had learned from Heuer) and placed a hemostatic clip on the neck of a posterior communicating artery region aneurysm arising from the internal carotid artery.