_:b57653109	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57653108	<http://www.w3.org/ns/oa#hasSelector>	_:b57653109 .
_:b57653109	<http://www.w3.org/ns/oa#exact>	"antigen" .
_:b57653108	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/cfc48bf51561ab34d9c2afeb99daf077c994e8eb/0> .