_:b57520233	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57520232	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/95ba3972c9555480c0bf1331ba384d109d676067/0> .
_:b57520232	<http://www.w3.org/ns/oa#hasSelector>	_:b57520233 .
_:b57520233	<http://www.w3.org/ns/oa#exact>	"B cell" .