_:b57211333	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57211333	<http://www.w3.org/ns/oa#exact>	"PaO" .
_:b57211332	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/38ecb82f2923398591b9aeac2ce60acb41881a26/1> .
_:b57211332	<http://www.w3.org/ns/oa#hasSelector>	_:b57211333 .