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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:erbium molecular entity
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Accession:CHEBI:37298 term browser browse the term

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 21787
    chemical entity 21785
      molecular entity 21772
        transition element molecular entity 17331
          f-block molecular entity 522
            lanthanoid molecular entity 522
              erbium molecular entity 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 21787
    subatomic particle 21773
      composite particle 21773
        hadron 21773
          baryon 21773
            nucleon 21773
              atomic nucleus 21773
                atom 21773
                  metal atom 18235
                    transition element atom 17660
                      rare earth metal atom 547
                        lanthanoid atom 547
                          erbium 1
                            erbium molecular entity 0
paths to the root