_:b57489616	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/2bf80b20f4f497112623752c323142d83dcec063/18> .
_:b57489617	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57489616	<http://www.w3.org/ns/oa#hasSelector>	_:b57489617 .
_:b57489617	<http://www.w3.org/ns/oa#exact>	"treatment" .