_:b57321896	<http://www.w3.org/ns/oa#hasSelector>	_:b57321897 .
_:b57321897	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57321896	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/02a009e42054081b441d0f4b203679c4b0cae38d/1> .
_:b57321897	<http://www.w3.org/ns/oa#exact>	"seroconversion" .