_:b57144452	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/251dd2827ce520fe189947ea22457211ed8224c6/1> .
_:b57144453	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57144453	<http://www.w3.org/ns/oa#exact>	"CD40 ligand" .
_:b57144452	<http://www.w3.org/ns/oa#hasSelector>	_:b57144453 .