_:b57508673	<http://www.w3.org/ns/oa#exact>	"maternal" .
_:b57508672	<http://www.w3.org/ns/oa#hasSelector>	_:b57508673 .
_:b57508672	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/12429e86b6567f27b987ad227c57fdfe5972974b/1> .
_:b57508673	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .