PMC:7212965 / 8738-9018 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T63","span":{"begin":76,"end":77},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T64","span":{"begin":260,"end":261},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":" pandemic.\n\nMethods\n\nInformation Sources and Literature Search\nWe conducted a systematic literature search to identify all published and unpublished studies that could be considered eligible for our review, with no restrictions on languages. In the setting of a pandemic with expo"}

{"project":"LitCovid-sentences","denotations":[{"id":"T55","span":{"begin":12,"end":19},"obj":"Sentence"},{"id":"T56","span":{"begin":21,"end":62},"obj":"Sentence"},{"id":"T57","span":{"begin":63,"end":241},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":" pandemic.\n\nMethods\n\nInformation Sources and Literature Search\nWe conducted a systematic literature search to identify all published and unpublished studies that could be considered eligible for our review, with no restrictions on languages. In the setting of a pandemic with expo"}