_:b56217113	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56217112	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/c64f38c6df314ef020e7984015750165a6f75ab1/3> .
_:b56217112	<http://www.w3.org/ns/oa#hasSelector>	_:b56217113 .
_:b56217113	<http://www.w3.org/ns/oa#exact>	"magnesium" .