PMC:7210464 / 69343-69506 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T638","span":{"begin":0,"end":163},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"However, it is not conclusive to ascertain the effect of further imposing family outdoor restrictions in cities that have adopted closed management of communities."}