_:b56744988	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/314d309c4d814a36f860bcaebe99428c33209b50/0> .
_:b56744989	<http://www.w3.org/ns/oa#exact>	"serum" .
_:b56744989	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56744988	<http://www.w3.org/ns/oa#hasSelector>	_:b56744989 .