PMC:340383 / 6161-6163 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T2074","span":{"begin":0,"end":2},"obj":"NN"}],"text":"AA"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T1899","span":{"begin":0,"end":2},"obj":"CHEBI_SO_EXT:amino_acid"}],"text":"AA"}