_:b56315933	<http://www.w3.org/ns/oa#exact>	"polymerase chain reaction" .
_:b56315933	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56315933	<http://www.w3.org/ns/oa#exact>	"PCR" .
_:b56315932	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/f85f1c88d5f92b9177f3c652fe643d7f13df947e/2> .
_:b56315932	<http://www.w3.org/ns/oa#hasSelector>	_:b56315933 .