_:b57903948	<http://www.w3.org/ns/oa#hasSelector>	_:b57903949 .
_:b57903949	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57903949	<http://www.w3.org/ns/oa#exact>	"IgM" .
_:b57903948	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/924a62ecb3a548da26c3e790c134f6877e70cc0f/2> .