Assertion: placebo's effect | /r/AtLocation | an analysis of cancer
Facets:
Source sentences:
text: However, in an analysis of cancer as a secondary end point in the 3,069 participants of the GEM study, no protective effect of ginkgo was observed.
text: In an analysis of cancer as a secondary end point in the 3,069 participants of the GEM study, no protective effect of ginkgo was observed.