PMC:7212965 / 11093-11315
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T77","span":{"begin":57,"end":58},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T78","span":{"begin":202,"end":203},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"ion in our analysis.\nData extraction was performed using a standardized Microsoft Excel data extraction form. Data extraction was performed in pairs; one study author independently extracted data while a second reviewer ch"}
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T74","span":{"begin":21,"end":109},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ion in our analysis.\nData extraction was performed using a standardized Microsoft Excel data extraction form. Data extraction was performed in pairs; one study author independently extracted data while a second reviewer ch"}