_:b57873604 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/a8b898d446ceb1d4fdc3b31f560465eb9e2bef40/13> . _:b57873605 <http://www.w3.org/ns/oa#exact> "diarrhea" . _:b57873605 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57873604 <http://www.w3.org/ns/oa#hasSelector> _:b57873605 .