_:b56960860	<http://www.w3.org/ns/oa#hasSelector>	_:b56960861 .
_:b56960861	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56960861	<http://www.w3.org/ns/oa#exact>	"serum" .
_:b56960860	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/38fc059cf1b8080dbd55cd5cb80f7c98e06213ee/1> .