Assertion: neuroepithelium's cell | /r/HasProperty | isolated in early 1990s
Facets:
value: from adult cns.7-8
type: OTHER
value: from the embryonic
type: OTHER
Source sentences:
text: In the early 1990s, cells that responded to specific growth factors and exhibited stem cell features in vitro were isolated from the embryonic and adult CNS.7-8