PMC:7738161 / 22330-22481 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T160","span":{"begin":0,"end":151},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Here, the percentage of normal contacts alternates between 80% (dark-grey shading) and 22% (light-grey shading) at (C) 3-week and (D) 4-week intervals."}