_:b57792480	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/bb412c37aa372b7ead5ddff75356a51cda6892f1/0> .
_:b57792480	<http://www.w3.org/ns/oa#hasSelector>	_:b57792481 .
_:b57792481	<http://www.w3.org/ns/oa#exact>	"CD8 ratio" .
_:b57792481	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .