PMC:7210464 / 42230-42329 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T380","span":{"begin":0,"end":99},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Weather controls include contemporaneous weather variables in the preceding first and second weeks."}