PMC:7796072 / 14246-14388 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T91","span":{"begin":0,"end":142},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"We are not claiming causality at this stage but are hypothesizing an interesting association that needs to be tested with regard to causality."}