PMC:7463108 / 100750-100871 JSONTXT

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{"project":"LitCovid-PD-CLO","denotations":[{"id":"T21","span":{"begin":78,"end":79},"obj":"http://purl.obolibrary.org/obo/CLO_0001020"},{"id":"T22","span":{"begin":106,"end":115},"obj":"http://purl.obolibrary.org/obo/CL_0000000"}],"text":"tor types (Gomes et al. 2020). Moreover, opioid receptors can be expressed on a subset of virtually every cell type in th"}

{"project":"LitCovid-sentences","denotations":[{"id":"T1269","span":{"begin":24,"end":30},"obj":"Sentence"}],"namespaces":[{"prefix":"_base","uri":"http://pubannotation.org/ontology/tao.owl#"}],"text":"tor types (Gomes et al. 2020). Moreover, opioid receptors can be expressed on a subset of virtually every cell type in th"}