PMC:7386785 / 4280-4447
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7386785","sourcedb":"PMC","sourceid":"7386785","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7386785","text":"ng that this is a highly selected population. In an additional four studies, we were unable to assess the risk for selection bias. These factors make it very difficult","tracks":[{"project":"LitCovid-PD-CLO","denotations":[{"id":"T93612","span":{"begin":16,"end":17},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"attributes":[{"subj":"T93612","pred":"source","obj":"LitCovid-PD-CLO"}]},{"project":"LitCovid-sentences","denotations":[{"id":"T38","span":{"begin":46,"end":130},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"attributes":[{"subj":"T38","pred":"source","obj":"LitCovid-sentences"}]}],"config":{"attribute types":[{"pred":"source","value type":"selection","values":[{"id":"LitCovid-PD-CLO","color":"#9b93ec","default":true},{"id":"LitCovid-sentences","color":"#a4ec93"}]}]}}