_:b56226745	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56226744	<http://www.w3.org/ns/oa#hasSelector>	_:b56226745 .
_:b56226745	<http://www.w3.org/ns/oa#exact>	"heparin" .
_:b56226744	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/1cf581f0d48ba262d83e096562bb284847c8cca6/1> .