_:b56307572	<http://www.w3.org/ns/oa#hasSelector>	_:b56307573 .
_:b56307573	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56307573	<http://www.w3.org/ns/oa#exact>	"oxygen" .
_:b56307572	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b3b828069a5732e4f214b1255371c5dcc79e84ea/1> .