_:b56640792	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/948da0d46d594712ebfeb9a936d986fbbc325574/2> .
_:b56640793	<http://www.w3.org/ns/oa#exact>	"serum" .
_:b56640792	<http://www.w3.org/ns/oa#hasSelector>	_:b56640793 .
_:b56640793	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .