_:b56952400	<http://www.w3.org/ns/oa#hasSelector>	_:b56952401 .
_:b56952401	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56952401	<http://www.w3.org/ns/oa#exact>	"Degradation" .
_:b56952400	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/89e162115392f120533361ea7ed71657dfb6e05e/2> .