Assertion: sodium thiopental | /r/ObjectUse | used in human
Facets:
value: by ralph m. waters
type: OTHER
value: on 8 march
type: TEMPORAL
Source sentences:
text: Sodium thiopental was first used in humans on 8 March 1934 by Ralph M. Waters in an investigation of its properties, which were short-term anesthesia and surprisingly little analgesia.