_:b57660941	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57660941	<http://www.w3.org/ns/oa#exact>	"antigen" .
_:b57660940	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/e60876eb57ab034fbf16bd910614692441bb9ca0/1> .
_:b57660940	<http://www.w3.org/ns/oa#hasSelector>	_:b57660941 .