_:b57364288	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/f93bda56adfc7dd0749cfbae8e2d5576a69f691b/0> .
_:b57364289	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57364288	<http://www.w3.org/ns/oa#hasSelector>	_:b57364289 .
_:b57364289	<http://www.w3.org/ns/oa#exact>	"Seropositivity" .