PMC:539061 / 31837-31839 JSONTXT

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T5144","span":{"begin":0,"end":2},"obj":"SO_EXT:transgenic_entity"}],"text":"Tg"}

{"project":"craft-sa-dev","denotations":[{"id":"T6174","span":{"begin":0,"end":2},"obj":"NN"}],"text":"Tg"}