_:b57157664	<http://www.w3.org/ns/oa#hasSelector>	_:b57157665 .
_:b57157664	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8b58e92fdfea3989199fb6656d5444a5d62b1c48/0> .
_:b57157665	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57157665	<http://www.w3.org/ns/oa#exact>	"maternal" .