_:b56685020	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/cf213fb0fd91d61203b8fc221d6102119a67a52b/0> .
_:b56685020	<http://www.w3.org/ns/oa#hasSelector>	_:b56685021 .
_:b56685021	<http://www.w3.org/ns/oa#exact>	"systolic blood pressure" .
_:b56685021	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .