_:b57632817	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57632816	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/acd6257c5aad6f7c16dd42eba737e928cca94022/1> .
_:b57632816	<http://www.w3.org/ns/oa#hasSelector>	_:b57632817 .
_:b57632817	<http://www.w3.org/ns/oa#exact>	"IgA" .