Assertion: placebo's effect | /r/HasProperty | established in experiment
Facets:
value: on rats
type: LOCATION
Source sentences:
text: Anti-tumor and anti-metastatic effects of an official extract of Rhodiola rosea were established in experiments on inbred and noninbred mice and rats with transplantable NK/Ly tumor, Ehrlich's adenocarcinoma, melanoma B16 and Lewis lung carcinoma.