_:b57045048	<http://www.w3.org/ns/oa#hasSelector>	_:b57045049 .
_:b57045049	<http://www.w3.org/ns/oa#exact>	"IgA" .
_:b57045049	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57045048	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/653fbf95b5df8cd232e65d624a10adf18eb61749/1> .