PMC:7796344 / 1924-2091 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T17","span":{"begin":0,"end":167},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"In contrast, similar numbers said they always wore a face mask (n = 351, 34.6%) in crowded areas, while 63.2% reported lack of availability of face masks during Umrah."}