_:b57523137	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57523136	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5a8480f67cdc1a17fd09578c885785f26be1b581/1> .
_:b57523137	<http://www.w3.org/ns/oa#exact>	"blood levels" .
_:b57523136	<http://www.w3.org/ns/oa#hasSelector>	_:b57523137 .