_:b57617520	<http://www.w3.org/ns/oa#hasSelector>	_:b57617521 .
_:b57617521	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57617521	<http://www.w3.org/ns/oa#exact>	"vomiting" .
_:b57617520	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4a09e9f3ff98c3f458a0602f0795bad0561a7f72/0> .