Assertion: spinal motor neuron | /r/CapableOf | attain their normal adult sizes
Facets:
value: prior to disease onset
type: TEMPORAL
Source sentences:
text: There is no reason to favor the third possibility, particularly since studies on animal models of familial ALS have confirmed that prior to disease onset, spinal motor neurons attain their normal adult sizes ( Chiu et al., 1995; Feeney et al., 2001).