_:b57141268	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/2a2a4a929a8dee138b8ff5c10f7ffa913e945fb2/1> .
_:b57141269	<http://www.w3.org/ns/oa#exact>	"PCR" .
_:b57141268	<http://www.w3.org/ns/oa#hasSelector>	_:b57141269 .
_:b57141269	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .