PMC:7143804 / 57000-57121 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T513","span":{"begin":0,"end":121},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Figure 4 Schematic top views (top row) and cross-sectional representations (bottom row) of the full fabrication process."}