PMC:7601109 / 14868-15011 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T93","span":{"begin":0,"end":143},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"The word propolis comprises two Greek words “pro” and “polis”, which in order mean “in front of or at the entrance to” and “community or city”."}