_:b57506548	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/4f3c437b1e6e619ef6c9053904520290200e9bc4/4> .
_:b57506549	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b57506548	<http://www.w3.org/ns/oa#hasSelector>	_:b57506549 .
_:b57506549	<http://www.w3.org/ns/oa#exact>	"p53 signaling" .