_:b56374860	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4196f551ca4d00485ffce58b892d6cc3a2ae23e0/2> .
_:b56374861	<http://www.w3.org/ns/oa#exact>	"oxygen therapy" .
_:b56374860	<http://www.w3.org/ns/oa#hasSelector>	_:b56374861 .
_:b56374861	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .