_:b56509701	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56509700	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8cef766849d0d8ad7a5ff33d7f66299de03cf583/4> .
_:b56509700	<http://www.w3.org/ns/oa#hasSelector>	_:b56509701 .
_:b56509701	<http://www.w3.org/ns/oa#exact>	"IgA" .