PMC:7796344 / 24822-24969 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T172","span":{"begin":0,"end":147},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"This study has identified several issues relating to the preventative measures that were practiced by Umrah pilgrims in Saudi Arabia in 1440H-2019."}