_:b56672068	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/69c55fc67b309790f3effb53c07d075a95699f13/1> .
_:b56672068	<http://www.w3.org/ns/oa#hasSelector>	_:b56672069 .
_:b56672069	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56672069	<http://www.w3.org/ns/oa#exact>	"serum" .