_:b57521376	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/d6fd68329320898784ab24112686187beced6f29/3> .
_:b57521377	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57521376	<http://www.w3.org/ns/oa#hasSelector>	_:b57521377 .
_:b57521377	<http://www.w3.org/ns/oa#exact>	"Type I collagen" .