_:b57668448	<http://www.w3.org/ns/oa#hasSelector>	_:b57668449 .
_:b57668448	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d8749662e6fe722629dc18442e52f7cc40c33938/0> .
_:b57668449	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57668449	<http://www.w3.org/ns/oa#exact>	"IgM" .