PMC:7405836 / 55588-55723 JSONTXT

{"project":"LitCovid-PD-GO-BP","denotations":[{"id":"T40693","span":{"begin":61,"end":67},"obj":"http://purl.obolibrary.org/obo/GO_0060361"}],"text":"They are the only mammals with the capacity for self-powered flight, which enables them to migrate long distances, unlike land mammals."}

{"project":"LitCovid-sentences","denotations":[{"id":"T374","span":{"begin":0,"end":135},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"They are the only mammals with the capacity for self-powered flight, which enables them to migrate long distances, unlike land mammals."}