_:b57062841	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57062841	<http://www.w3.org/ns/oa#exact>	"headache" .
_:b57062840	<http://www.w3.org/ns/oa#hasSelector>	_:b57062841 .
_:b57062840	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/fa5187d5537874ebae32555c7667626da7d26de8/3> .