Assertion: ngf | /r/CapableOf | produce several fold increase
Facets:
value: within 5 min
type: TEMPORAL
Source sentences:
text: A recent study (Nikodigevic et al., 1975) has shown that NGF (2.5 S) produces a several fold increase in the cyclic AMP concentration in rat superior cervical ganglia in organ culture within 5 min and returned to the basal level in about 10 min.