Assertion: embryo's stem cell | /r/HasProperty | harvested at fertility clinics
Facets:
value: from unused embryos
type: TRANSITIVE-OBJECT
Source sentences:
text: Further, there is mounting evidence to suggest that stem cells from cloned embryos have greater potential as medical treatments than stem cells harvested from unused embryos at fertility clinics, which are created by in vitro fertilization and are now the major source of stem cells for research.