PMC:7796344 / 627-787 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T8","span":{"begin":0,"end":160},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"A cross sectional survey was administered to pilgrims from February to April 2019 at the departure lounge at King Abdul Aziz International airport, Jeddah city."}