_:b56784081	<http://www.w3.org/ns/oa#exact>	"headache" .
_:b56784081	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56784080	<http://www.w3.org/ns/oa#hasSelector>	_:b56784081 .
_:b56784080	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/901572f1595cb6ea733858d3fc15b8ea46054061/1> .