_:b57500676	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/0e12e3191e6ce998f711be57eba12fe211dd3f72/1> .
_:b57500677	<http://www.w3.org/ns/oa#exact>	"seroconversion" .
_:b57500676	<http://www.w3.org/ns/oa#hasSelector>	_:b57500677 .
_:b57500677	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .