PMC:7463108 / 11032-11207 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T3020","span":{"begin":19,"end":23},"obj":"http://purl.obolibrary.org/obo/CLO_0001185"}],"text":"008; Maduna et al. 2018) and are involved in opioid tolerance and dependence to varying degrees (Kieffer and Gaveriaux-Ruff 2002; Berger and Whistler 2010; Morgan and Christie"}

{"project":"2_test","denotations":[{"id":"32876803-30662412-62957896","span":{"begin":19,"end":23},"obj":"30662412"},{"id":"32876803-12015197-62957897","span":{"begin":124,"end":128},"obj":"12015197"},{"id":"32876803-20437553-62957898","span":{"begin":150,"end":154},"obj":"20437553"}],"text":"008; Maduna et al. 2018) and are involved in opioid tolerance and dependence to varying degrees (Kieffer and Gaveriaux-Ruff 2002; Berger and Whistler 2010; Morgan and Christie"}