PMC:7463108 / 2115-2395 JSONTXT

{"project":"LitCovid-PD-CLO","denotations":[{"id":"T32967","span":{"begin":155,"end":156},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"ds in 2017, which is 56% higher than in the previous year (UNODC 2019a). North America remains the region with the highest non-medical use of opioids with a staggering 4% of the population aged 15–64 using opioids (UNODC 2019a, c). In 2017, the burden of opioid use in the U.S. ha"}

{"project":"LitCovid-sentences","denotations":[{"id":"T17","span":{"begin":73,"end":231},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"ds in 2017, which is 56% higher than in the previous year (UNODC 2019a). North America remains the region with the highest non-medical use of opioids with a staggering 4% of the population aged 15–64 using opioids (UNODC 2019a, c). In 2017, the burden of opioid use in the U.S. ha"}