_:b56274241	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56274240	<http://www.w3.org/ns/oa#hasSelector>	_:b56274241 .
_:b56274241	<http://www.w3.org/ns/oa#exact>	"PCR" .
_:b56274240	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/2d5f0773a3e949292d246854d7532ef2885ebdba/2> .