PMC:7796344 / 523-683 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":95,"end":103},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ice, including vaccination history and health education, among Umrah pilgrims in Saudi Arabia. Methods: A cross sectional survey was administered to pilgrims fr"}