_:b56301572	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/50fba5f0d8608c1dcb4fae99e5932025eeb8b9d8/1> .
_:b56301572	<http://www.w3.org/ns/oa#hasSelector>	_:b56301573 .
_:b56301573	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56301573	<http://www.w3.org/ns/oa#exact>	"heparin" .