_:b56402236	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/be2268f17ad00c20874fa4ee03532069c5692d8d/0> .
_:b56402237	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56402237	<http://www.w3.org/ns/oa#exact>	"serum" .
_:b56402236	<http://www.w3.org/ns/oa#hasSelector>	_:b56402237 .