_:b56164160	<http://www.w3.org/ns/oa#hasSelector>	_:b56164161 .
_:b56164161	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56164161	<http://www.w3.org/ns/oa#exact>	"PCR" .
_:b56164160	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/fe1032a86da3db315b7e05ad41bf094f4f974d06/1> .