_:b57234085	<http://www.w3.org/ns/oa#exact>	"serum potassium" .
_:b57234084	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b56f3bb8b2249c0078e32333ae3616e4e06a0d7c/3> .
_:b57234084	<http://www.w3.org/ns/oa#hasSelector>	_:b57234085 .
_:b57234085	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .