_:b56978520	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6b4c53fd1c2da9aab319020284795fe8badd161b/0> .
_:b56978521	<http://www.w3.org/ns/oa#exact>	"leukocyte migration" .
_:b56978520	<http://www.w3.org/ns/oa#hasSelector>	_:b56978521 .
_:b56978521	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .