_:b57588552	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ef8ba35193931402446787b45a55f944eb750acf/8> .
_:b57588553	<http://www.w3.org/ns/oa#exact>	"worsening" .
_:b57588552	<http://www.w3.org/ns/oa#hasSelector>	_:b57588553 .
_:b57588553	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .