_:b57239449	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57239448	<http://www.w3.org/ns/oa#hasSelector>	_:b57239449 .
_:b57239448	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/89e496268c8ce4f434bfc622cd9ec4339577c885/2> .
_:b57239449	<http://www.w3.org/ns/oa#exact>	"nitric oxide" .