PMC:7001240 / 7696-7867 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T37","span":{"begin":7,"end":8},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T38","span":{"begin":14,"end":15},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"y 2020\na When a city is served by several airports, these airports are considered as one entity. For each country, only the four most important cities in terms of agglomer"}

{"project":"LitCovid-sentences","denotations":[{"id":"T63","span":{"begin":7,"end":96},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"y 2020\na When a city is served by several airports, these airports are considered as one entity. For each country, only the four most important cities in terms of agglomer"}