_:b56546732	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/a6e04aa554e60c11c91aee692cd1f4ab31432455/1> .
_:b56546733	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56546732	<http://www.w3.org/ns/oa#hasSelector>	_:b56546733 .
_:b56546733	<http://www.w3.org/ns/oa#exact>	"maternal" .