_:b56883168	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c4e16ac959ff4995378bdbb358b33f366ddadb0e/1> .
_:b56883169	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56883169	<http://www.w3.org/ns/oa#exact>	"Serum" .
_:b56883168	<http://www.w3.org/ns/oa#hasSelector>	_:b56883169 .