Assertion: groundhog | /r/ObjectUse | used in medical research
Facets:
value: for the study of liver cancer
type: PURPOSE
Source sentences:
text: Groundhogs are used in medical research on hepatitis B-induced liver cancer.
text: Groundhogs are used in medical researches for the study of liver cancer.
text: Groundhogs have been used in medical research on hepatitis B-induced liver cancer.