_:b57656876	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d7f6fa007b32ff0e6fc2d40f36ad7de1f33cf82c/0> .
_:b57656877	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57656876	<http://www.w3.org/ns/oa#hasSelector>	_:b57656877 .
_:b57656877	<http://www.w3.org/ns/oa#exact>	"brain natriuretic peptide" .