PMC:7696151 / 5822-5972 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7696151","sourcedb":"PMC","sourceid":"7696151","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7696151","text":". In total, 133 papers were selected for data extraction. A flowchart illustrating the steps of the study selection is shown in Figure 2.\nIn our revie","tracks":[{"project":"LitCovid-sentences","denotations":[{"id":"T49","span":{"begin":2,"end":57},"obj":"Sentence"},{"id":"T50","span":{"begin":58,"end":137},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"attributes":[{"subj":"T49","pred":"source","obj":"LitCovid-sentences"},{"subj":"T50","pred":"source","obj":"LitCovid-sentences"}]}],"config":{"attribute types":[{"pred":"source","value type":"selection","values":[{"id":"LitCovid-sentences","color":"#ec9394","default":true}]}]}}