Assertion: ketamine | /r/HasProperty | introduced
Facets:
value: as early as the 1960s
type: TEMPORAL
value: to testing in human prisoners
type: TRANSITIVE-OBJECT
Source sentences:
text: After promising preclinical research in animals, ketamine was introduced to testing in human prisoners in 1964.
text: Ketamine was introduced as early as the 1960s, and is not generally used today as a general anesthetic, because of adverse psychological reactions, including delirium, disturbed dreaming, motor adverse reactions, and emergence reactions in about 12% of patients.
text: The illegal use of ketamine today is also of great concern to many people and despite the difficulty in figuring out ketamine’s prevalence, the use of ketamine is higher today than it was when ketamine was first introduced.