PMC:7796344 / 8635-8771 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T52","span":{"begin":78,"end":80},"obj":"Sentence"},{"id":"T53","span":{"begin":81,"end":88},"obj":"Sentence"},{"id":"T54","span":{"begin":90,"end":94},"obj":"Sentence"},{"id":"T55","span":{"begin":95,"end":107},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"easures practiced among Umrah pilgrims following their Hajj in Saudi Arabia.\n\n2. Methods\n\n2.1. Study Design\nA cross-sectional survey was"}