Assertion: yawning | /r/HasProperty | proposed as potential biomarker
Facets:
value: in combination
type: MANNER
value: for early detection of neurological disease
type: PURPOSE
Source sentences:
text: Yawning and cortisol, in combination, was proposed as a potential biomarker for early detection of neurological disease  and the first electromyogram representation of the yawn was reported  (Figures 1 and 2) .