_:b57789925 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b57789924 <http://www.w3.org/ns/oa#hasSelector> _:b57789925 . _:b57789925 <http://www.w3.org/ns/oa#exact> "weight loss" . _:b57789924 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/4070000cd4a0880ff387df1d1a42f5f45f34e015/0> .