_:b56892416	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/fcff229be843b062d0ec860e392cad2b1179ad32/2> .
_:b56892417	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56892417	<http://www.w3.org/ns/oa#exact>	"serum" .
_:b56892416	<http://www.w3.org/ns/oa#hasSelector>	_:b56892417 .