PMC:1635039 / 18043-18044 JSONTXT

{"project":"craft-sa-dev","denotations":[{"id":"T19749","span":{"begin":0,"end":1},"obj":"NN"}],"text":"H"}

{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T19647","span":{"begin":0,"end":1},"obj":"CHEBI:51686"}],"text":"H"}

{"project":"craft-ca-core-dev","denotations":[{"id":"T19621","span":{"begin":0,"end":1},"obj":"CHEBI:51686"}],"text":"H"}