_:b56176904	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d8a0a04161c4ee9b42ffddb705b21ab539098447/1> .
_:b56176904	<http://www.w3.org/ns/oa#hasSelector>	_:b56176905 .
_:b56176905	<http://www.w3.org/ns/oa#exact>	"heparin" .
_:b56176905	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .