_:b57415793	<http://www.w3.org/ns/oa#exact>	"severe" .
_:b57415792	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/24c44b63995dc1c1e10d15c13e931216532bd421/25> .
_:b57415793	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57415792	<http://www.w3.org/ns/oa#hasSelector>	_:b57415793 .