PMC:7796369 / 19487-19567 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T189","span":{"begin":0,"end":80},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Number of shifts 2, 3 or 4 Depending on shift hours such that total hours = 24"}