_:b57871416	<http://www.w3.org/ns/oa#hasSelector>	_:b57871417 .
_:b57871417	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57871416	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/ea367b31a6363d4b484b17c54a54bf9db9774ec4/0> .
_:b57871417	<http://www.w3.org/ns/oa#exact>	"abdominal pain" .