PMC:7216275 / 46098-46144
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T395","span":{"begin":0,"end":46},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Figure 4 Structured model and direct effects."}