_:b56696952	<http://www.w3.org/ns/oa#hasSelector>	_:b56696953 .
_:b56696952	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/30e79769eebd559a314cd31b2a3d7cdf9729fe4a/5> .
_:b56696953	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56696953	<http://www.w3.org/ns/oa#exact>	"serum ferritin" .