Assertion: ect | /r/AtLocation | use
Facets:
value: by 1940
type: TEMPORAL
value: for more than 45 years
type: TEMPORAL
Source sentences:
text: Although ECT has been in use for more than 45 years, there is continuing controversy concerning the mental disorders for which ECT is indicated, its efficacy in their treatment, the optimal methods of administration, possible complications, and the extent of its usage in various settings.
text: By 1940, ECT was in use in many countries.