_:b57310376	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5b6bbeb74fe662b823f91ef442ac6a19122d7921/19> .
_:b57310377	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57310376	<http://www.w3.org/ns/oa#hasSelector>	_:b57310377 .
_:b57310377	<http://www.w3.org/ns/oa#exact>	"lymph node" .