_:b57881288	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/bb19b5b96b95145ef9acb61d25bb5a4eb69beac7/0> .
_:b57881289	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57881288	<http://www.w3.org/ns/oa#hasSelector>	_:b57881289 .
_:b57881289	<http://www.w3.org/ns/oa#exact>	"FEV1" .