_:b56257133	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56257132	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ec99df59b1b63a5da4b31c203e8e1eab566fba68/0> .
_:b56257133	<http://www.w3.org/ns/oa#exact>	"treated" .
_:b56257132	<http://www.w3.org/ns/oa#hasSelector>	_:b56257133 .