_:b57898121	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57898120	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/b58ffac7ad2362244dfdc3c55b923f7f1dd92bcd/0> .
_:b57898121	<http://www.w3.org/ns/oa#exact>	"Pleural effusions" .
_:b57898120	<http://www.w3.org/ns/oa#hasSelector>	_:b57898121 .