_:b57824924	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/63cdcb12af7f5212b6b2f5525eadd307d34bc1e3/1> .
_:b57824924	<http://www.w3.org/ns/oa#hasSelector>	_:b57824925 .
_:b57824925	<http://www.w3.org/ns/oa#exact>	"IgA antibody" .
_:b57824925	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .