_:b56897949	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56897948	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/722bbb329a5adcf122887c95618883308d12286b/1> .
_:b56897949	<http://www.w3.org/ns/oa#exact>	"seropositive" .
_:b56897948	<http://www.w3.org/ns/oa#hasSelector>	_:b56897949 .