_:b57513996	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d8e134d93a4666285518b7916316a97dcc258788/3> .
_:b57513996	<http://www.w3.org/ns/oa#hasSelector>	_:b57513997 .
_:b57513997	<http://www.w3.org/ns/oa#exact>	"IgG" .
_:b57513997	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .