PMC:7738161 / 18582-18707 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T135","span":{"begin":0,"end":125},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We used a fixed value of e, the fraction engaged in distancing; this choice was motivated by the survey and behavioural data."}