PMC:7463108 / 15793-15889 JSONTXT

{"project":"LitCovid-sentences","denotations":[{"id":"T200","span":{"begin":16,"end":35},"obj":"Sentence"},{"id":"T201","span":{"begin":36,"end":42},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"McArthur et al. 2010; Saylor et al. 2016). Nevertheless, chronic opiate exposure (which almost a"}

{"project":"2_test","denotations":[{"id":"32876803-20517932-62957964","span":{"begin":16,"end":20},"obj":"20517932"},{"id":"32876803-26965674-62957965","span":{"begin":36,"end":40},"obj":"26965674"}],"text":"McArthur et al. 2010; Saylor et al. 2016). Nevertheless, chronic opiate exposure (which almost a"}