Assertion: ketamine | /r/HasProperty | developed in 1960
Facets:
value: as an anesthetic agent
type: MANNER
value: for pain relief
type: PURPOSE
Source sentences:
text: It was first developed in the 1960s and was used to operate on soldiers during the Vietnam War.
text: First developed in the 1960s as an anesthetic agent, ketamine belongs to the Schedule III class of narcotic hallucinogen drugs.
text: Ketamine was initially developed in the 1960s for pain relief, and was first used in veterinary clinics for animal sedation.
text: Ketamine is a phencyclidine derivative that was developed in the 1960s as an anaesthetic agent.