PMC:7796344 / 499-652
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T7","span":{"begin":119,"end":127},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ventative measures practice, including vaccination history and health education, among Umrah pilgrims in Saudi Arabia. Methods: A cross sectional survey "}