_:b57574929	<http://www.w3.org/ns/oa#exact>	"blood urea" .
_:b57574929	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57574928	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ecaeb9830d9852ca18e6a1b2aa60a7acea603a7e/3> .
_:b57574929	<http://www.w3.org/ns/oa#exact>	"blood urea nitrogen" .
_:b57574928	<http://www.w3.org/ns/oa#hasSelector>	_:b57574929 .