_:b57596777	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57596777	<http://www.w3.org/ns/oa#exact>	"serum" .
_:b57596776	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5b26c1c4442a02d41b6a7f72e3e60443f4a773f9/1> .
_:b57596776	<http://www.w3.org/ns/oa#hasSelector>	_:b57596777 .