_:b56782033	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b56782032	<http://www.w3.org/ns/oa#hasSelector>	_:b56782033 .
_:b56782033	<http://www.w3.org/ns/oa#exact>	"maternal" .
_:b56782032	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/8ee1c4206000ff063b7b10405ead09cbd73b0cf6/2> .