Assertion: ketamine | /r/HasProperty | developed by parke-davis
Facets:
Source sentences:
text: Ketamine is a drug used in human and veterinary medicine developed by Parke-Davis (today a part of Pfizer) in 1962.
text: Ketamine is a drug used in human and veterinary medicine developed by Parke-Davis (today a part of Pfizer) in 1962.