PMC:7175914 / 352-454 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T6","span":{"begin":3,"end":11},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":".\n\nAbstract\nIn this study, an epidemic model was developed to simulate and predict the disease variati"}