_:b57568180	<http://www.w3.org/ns/oa#hasSelector>	_:b57568181 .
_:b57568181	<http://www.w3.org/ns/oa#exact>	"serum" .
_:b57568181	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57568180	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b7023973d1aaf104cdb8437c1096a3aac586a3e2/6> .