_:b56974033	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56974032	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/fd87b3324f0b8f38d1e4cc08b40855cd93296d0d/1> .
_:b56974033	<http://www.w3.org/ns/oa#exact>	"B cells" .
_:b56974032	<http://www.w3.org/ns/oa#hasSelector>	_:b56974033 .