Assertion: nitrous oxide | /r/ObjectUse | used in pain medicine
Facets:
Source sentences:
text: Nitrous oxide is used in many types of medical practice, including anesthesia, pain medicine, obstetrics, emergency medicine, and dentistry.
text: Nitrous oxide, sold under the brand name Entonox among others, is an inhaled gas used as a pain medication and together with other medications for anesthesia.