PMC:7796344 / 17671-17871 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T126","span":{"begin":0,"end":200},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"It should be considered whether the CDC recommendation should be added to the Umrah and Hajj visa requirements, although the evidence is still inconclusive and at times contradictory [16,17,18,19,20]."}