_:b57441336	<http://www.w3.org/ns/oa#hasSelector>	_:b57441337 .
_:b57441337	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57441336	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/f4844ddda91e210301cef04e1c79213679000861/3> .
_:b57441337	<http://www.w3.org/ns/oa#exact>	"severe" .