_:b56311460	<http://www.w3.org/ns/oa#hasSelector>	_:b56311461 .
_:b56311461	<http://www.w3.org/ns/oa#exact>	"placebo" .
_:b56311460	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/6985f31fd2e55d6bc55aa22b1a72f0d868b5bd6f/0> .
_:b56311461	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .