_:b56380217	<http://www.w3.org/ns/oa#exact>	"placebo" .
_:b56380216	<http://www.w3.org/ns/oa#hasSelector>	_:b56380217 .
_:b56380217	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56380216	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/eecaac903d153e5b87e4ebdd289eb2615fffa0e4/0> .