PMC:194730 / 13129-13136 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T3556","span":{"begin":0,"end":7},"obj":"NN"}],"text":"surface"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T3135","span":{"begin":0,"end":7},"obj":"GO:0009986"}],"text":"surface"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T3224","span":{"begin":0,"end":7},"obj":"GO:0009986"}],"text":"surface"}