PMC:7796344 / 18939-19024 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T133","span":{"begin":0,"end":85},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Perhaps there are more opportunities to offer further vaccinations at ports of entry."}