_:b57752077	<http://www.w3.org/ns/oa#exact>	"Seroprevalence" .
_:b57752076	<http://www.w3.org/ns/oa#hasSelector>	_:b57752077 .
_:b57752076	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/3d2b956498bd9c38ea278c7ed789e87b332bf295/0> .
_:b57752077	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .