_:b56286192 <http://www.w3.org/ns/oa#hasSource> <http://ns.inria.fr/covid19/arg/79e6929cbb7b35a18475c1e077bf7406aac962e8/40> . _:b56286193 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/ns/oa#TextQuoteSelector> . _:b56286192 <http://www.w3.org/ns/oa#hasSelector> _:b56286193 . _:b56286193 <http://www.w3.org/ns/oa#exact> "MCh" .