_:b57132168	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/1d747213cb75667c6428a0411c5af6933641859f/2> .
_:b57132169	<http://www.w3.org/ns/oa#exact>	"regulatory T cells" .
_:b57132168	<http://www.w3.org/ns/oa#hasSelector>	_:b57132169 .
_:b57132169	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .