_:b57944636	<http://www.w3.org/ns/oa#hasSelector>	_:b57944637 .
_:b57944637	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57944636	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4b56223338c555d76f67e7f93f616a6cfadc3468/1> .
_:b57944637	<http://www.w3.org/ns/oa#exact>	"severe" .