_:b57443940	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/fccb857b14fc2cff246d8907aab3576367993ed8/1> .
_:b57443941	<http://www.w3.org/ns/oa#exact>	"IgA" .
_:b57443941	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57443940	<http://www.w3.org/ns/oa#hasSelector>	_:b57443941 .