PMC:1914394 / 42291-42293 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T21620","span":{"begin":0,"end":2},"obj":"NN"}],"text":"Rb"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T21454","span":{"begin":0,"end":2},"obj":"PR_EXT:000013773"}],"text":"Rb"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T21393","span":{"begin":0,"end":2},"obj":"PR:000013773"}],"text":"Rb"}