_:b56834296	<http://www.w3.org/ns/oa#hasSelector>	_:b56834297 .
_:b56834297	<http://www.w3.org/ns/oa#exact>	"serum IgG antibody" .
_:b56834297	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56834296	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/1626ffb1fa8e2dee8b77761c0cadcd5dca957114/0> .