_:b56340456	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8b50747d7ff81687d722dc9d1aef5795c395ba2d/0> .
_:b56340457	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56340457	<http://www.w3.org/ns/oa#exact>	"heparin" .
_:b56340456	<http://www.w3.org/ns/oa#hasSelector>	_:b56340457 .