_:b57927397	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57927397	<http://www.w3.org/ns/oa#exact>	"IgA" .
_:b57927396	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6d4067580f88df13b963b46bd43cbb5aecc43112/1> .
_:b57927396	<http://www.w3.org/ns/oa#hasSelector>	_:b57927397 .