_:b57561452	<http://www.w3.org/ns/oa#hasSelector>	_:b57561453 .
_:b57561453	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57561453	<http://www.w3.org/ns/oa#exact>	"chest" .
_:b57561452	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/76d7f6bd4897e55d871b10e6b52ae2ff44216505/0> .