Assertion: thalidomide | /r/HasProperty | tested on rodent
Facets:
Source sentences:
text: Thalidomide had only been tested on rodents, as was usual practice at the time.
text: Thalidomide had only been tested on rodents, as was usual practice at the time.
text: Thalidomide had only been tested on rodents, as was usual practice at the time.