PMC:7160614 / 31736-31805 JSONTXT

Annnotations TAB TSV DIC JSON TextAE

Id Subject Object Predicate Lexical cue
T338 0-11 Sentence denotes Methodology
T339 12-27 Sentence denotes • retrospective
T340 28-48 Sentence denotes • case-control study
T341 49-69 Sentence denotes • multi-center study