_:b57576449	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57576448	<http://www.w3.org/ns/oa#hasSelector>	_:b57576449 .
_:b57576448	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/207519580c330ebeab11c16f89d730497e352491/4> .
_:b57576449	<http://www.w3.org/ns/oa#exact>	"IgA" .