_:b57735592	<http://www.w3.org/ns/oa#hasSelector>	_:b57735593 .
_:b57735593	<http://www.w3.org/ns/oa#exact>	"nitrogen" .
_:b57735593	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57735592	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/3cf80f975ff4395d7add1e82c9a8f4a36577b6dc/4> .