_:b56251740	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/7a718dd8db57ce3d2a5be24b0224b1e257d4905f/2> .
_:b56251740	<http://www.w3.org/ns/oa#hasSelector>	_:b56251741 .
_:b56251741	<http://www.w3.org/ns/oa#exact>	"BCG" .
_:b56251741	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .