_:b56207824	<http://www.w3.org/ns/oa#hasSelector>	_:b56207825 .
_:b56207825	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56207825	<http://www.w3.org/ns/oa#exact>	"oxygen therapy" .
_:b56207824	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8341e10b21249f97f411cd166093ea549e2ad532/2> .