Assertion: ngf | /r/HasProperty | occurring substance
Facets:
value: naturally
type: MANNER
value: in the human body
type: LOCATION
Source sentences:
text: While Nerve Growth Factor is a naturally occurring substance in the human body, steps can be taken to increase amounts for the purposes of treating and preventing disease.
text: While Nerve Growth Factor is a naturally occurring substance in the human body, steps can be taken to increase amounts to treat and prevent disease.