_:b58088068	<http://www.w3.org/ns/oa#hasSource>	<http://ns.inria.fr/covid19/arg/666b7a42e5eace656f7b8b9a95c8c72a222fce0b/2> .
_:b58088069	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/oa#TextQuoteSelector> .
_:b58088069	<http://www.w3.org/ns/oa#exact>	"pH" .
_:b58088068	<http://www.w3.org/ns/oa#hasSelector>	_:b58088069 .