_:b56898536	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/5798129b3a4e279c12b7ff13ef9f8739eb214128/0> .
_:b56898536	<http://www.w3.org/ns/oa#hasSelector>	_:b56898537 .
_:b56898537	<http://www.w3.org/ns/oa#exact>	"abdominal pain" .
_:b56898537	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .