PMC:7738161 / 5582-5688 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T36","span":{"begin":0,"end":106},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"There have been a number of models simulating the impact of broad physical distancing measures [8, 11–13]."}