PMC:7175914 / 132-217 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":21,"end":31},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ong province, China\n\nHighlights\n• The input population and output population are con"}