PMC:7796344 / 81-224 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":14,"end":22},"obj":"Sentence"},{"id":"T3","span":{"begin":23,"end":34},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":", 1440H-2019\n\nAbstract\nBackground: Annually, approximately 10 million pilgrims travel to the Kingdom of Saudi Arabia (KSA) for Umrah from more "}