_:b57047125	<http://www.w3.org/ns/oa#exact>	"pH" .
_:b57047124	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/fccc0f98b960c946fadce5a045b150a83e7bc5bc/1> .
_:b57047124	<http://www.w3.org/ns/oa#hasSelector>	_:b57047125 .
_:b57047125	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .