PMC:7665480 / 13268-13313 JSONTXT

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{"project":"LitCovid-sentences","denotations":[{"id":"T167","span":{"begin":0,"end":45},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Ritonavir/lopinavir were used for 2 patients."}