_:b57856916	<http://www.w3.org/ns/oa#hasSelector>	_:b57856917 .
_:b57856917	<http://www.w3.org/ns/oa#exact>	"seroconversion" .
_:b57856917	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57856916	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/1a383f04a8ddfeba2113f27e82c41d0582feb276/1> .