_:b57200913	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57200913	<http://www.w3.org/ns/oa#exact>	"Serum" .
_:b57200912	<http://www.w3.org/ns/oa#hasSelector>	_:b57200913 .
_:b57200912	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/fbc71b4b125e8c1c9206b2e444ae9b48f54ba571/2> .