_:b57868820	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ce09c71b95feae8d69b38acd4eaa542bf50f6d6d/0> .
_:b57868821	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57868820	<http://www.w3.org/ns/oa#hasSelector>	_:b57868821 .
_:b57868821	<http://www.w3.org/ns/oa#exact>	"ventilation" .