_:b57703604	<http://www.w3.org/ns/oa#hasSelector>	_:b57703605 .
_:b57703605	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57703605	<http://www.w3.org/ns/oa#exact>	"hazard ratio" .
_:b57703604	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/a8e75e82b755ed9a7488390a5b2df8428317fade/0> .