_:b57074220	<http://www.w3.org/ns/oa#hasSelector>	_:b57074221 .
_:b57074221	<http://www.w3.org/ns/oa#exact>	"IgM" .
_:b57074221	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57074220	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/9778efaaa390b2074d065c639d85aa4a012c333b/1> .