_:b56793076	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/2987968dd174107e73553e42cfb276d91bed088c/0> .
_:b56793076	<http://www.w3.org/ns/oa#hasSelector>	_:b56793077 .
_:b56793077	<http://www.w3.org/ns/oa#exact>	"gingivitis" .
_:b56793077	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .