_:b56175652	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/20d755b36c257229a469c6a903ca381e070aab19/0> .
_:b56175653	<http://www.w3.org/ns/oa#exact>	"polymerase Chain Reaction" .
_:b56175653	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56175652	<http://www.w3.org/ns/oa#hasSelector>	_:b56175653 .