PMC:1626108 / 25556-25562
Annnotations
craft-sa-dev
{"project":"craft-sa-dev","denotations":[{"id":"T4523","span":{"begin":0,"end":6},"obj":"NN"}],"text":"oxygen"}
craft-ca-core-ex-dev
{"project":"craft-ca-core-ex-dev","denotations":[{"id":"T4249","span":{"begin":0,"end":6},"obj":"CHEBI_EXT:oxygen"}],"text":"oxygen"}