PMC:7796111 / 57449-57674 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T367","span":{"begin":0,"end":225},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Due to the cross-sectional survey data collected in this study, it is not possible to determine the temporal nature of any associations presented here (i.e., whether the P-ATS led to any psychological or behavioural changes)."}