PMC:7781502 / 2464-2610 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T25","span":{"begin":0,"end":146},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We hypothesized that the analysis may reveal which countries lead in the investigations on the virus and indicate the main directions of research."}