_:b57338988	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/71f2f3ffaa761b9d7e50b3d22eb0aacb78728bd9/1> .
_:b57338988	<http://www.w3.org/ns/oa#hasSelector>	_:b57338989 .
_:b57338989	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57338989	<http://www.w3.org/ns/oa#exact>	"PCR" .