PMC:7796344 / 18785-18938 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T132","span":{"begin":0,"end":153},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Of note, free polio vaccination is administered to pilgrims by Saudi Arabian MOH at the entry ports to promote the aim of world eradication of polio [7]."}