PMC:539061 / 6273-6280 JSONTXT

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T929","span":{"begin":0,"end":7},"obj":"CHEMINF_GO_EXT:chemical_binding_or_bond_formation"}],"text":"binding"}

{"project":"craft-sa-dev","denotations":[{"id":"T1876","span":{"begin":0,"end":7},"obj":"NN"}],"text":"binding"}