_:b56754309	<http://www.w3.org/ns/oa#exact>	"Headache" .
_:b56754308	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/7e1a390aa46d096b1504765d66be0ea3fd5e7dec/1> .
_:b56754309	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56754308	<http://www.w3.org/ns/oa#hasSelector>	_:b56754309 .