Assertion: ect | /r/HasProperty | introduced in 1930
Facets:
Source sentences:
text: ECT was first introduced in the 1930s and became a popular treatment for a variety of conditions throughout the 50s and 60s.
text: Although ECT was introduced in the 1930's, the technique has been continuously refined and improved.
text: When ECT was first introduced in the 1930s, it was known as “electroshock therapy.
text: Although ECT was introduced in the 1930s, its therapeutic use today is very different from what is portrayed as “shock treatment” in books and films.