PMC:7796344 / 87-184
Annnotations
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T2","span":{"begin":8,"end":16},"obj":"Sentence"},{"id":"T3","span":{"begin":17,"end":28},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"H-2019\n\nAbstract\nBackground: Annually, approximately 10 million pilgrims travel to the Kingdom of"}