Assertion: ngf's effect | /r/HasProperty | restricted
Facets:
Source sentences:
text: At the start, it seemed this molecule’s effect was restricted to acting on the peripheral nervous system, but then it emerged that it has a very important role in the brain.
text: At the start, it seemed this molecule's effect was restricted to acting on the peripheral nervous system, but then it emerged that it has a very important role in the brain.