PMC:7463108 / 2932-3018
Annnotations
LitCovid-PD-CLO
{"project":"LitCovid-PD-CLO","denotations":[{"id":"T6940","span":{"begin":47,"end":48},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"}],"text":"Government declared the opioid crisis/epidemic a public health emergency in 2017 (U.S."}
LitCovid-sentences
{"project":"LitCovid-sentences","denotations":[{"id":"T23","span":{"begin":0,"end":86},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"Government declared the opioid crisis/epidemic a public health emergency in 2017 (U.S."}