PMC:7780429 / 10344-10510 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T67","span":{"begin":0,"end":166},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"With regard to the work shift, 89 (34.1%) worked in the morning and on duty, 91 (34.9%) at morning, afternoon and night shifts, and 81 (31.0%) in morning shifts only."}