_:b57091872	<http://www.w3.org/ns/oa#hasSelector>	_:b57091873 .
_:b57091873	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57091872	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6777a5a1cbe7f111257c0ce7a1f62f91e7faf34e/1> .
_:b57091873	<http://www.w3.org/ns/oa#exact>	"IgA" .