_:b57100448	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ec4cae9189a40f4d2ba4a926e7e852f675c94cc9/4> .
_:b57100449	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57100448	<http://www.w3.org/ns/oa#hasSelector>	_:b57100449 .
_:b57100449	<http://www.w3.org/ns/oa#exact>	"respiratory rate" .