_:b57482388	<http://www.w3.org/ns/oa#hasSelector>	_:b57482389 .
_:b57482389	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57482388	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/72bd0d9ac417b403d0ad136c4f83333bb1553973/1> .
_:b57482389	<http://www.w3.org/ns/oa#exact>	"IgA" .