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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 925
    chemical entity 925
      molecular entity 923
        transition element molecular entity 168
          f-block molecular entity 0
            lanthanoid molecular entity 0
              erbium molecular entity 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 925
    subatomic particle 910
      composite particle 910
        hadron 910
          baryon 910
            nucleon 910
              atomic nucleus 910
                atom 910
                  metal atom 209
                    transition element atom 170
                      rare earth metal atom 0
                        lanthanoid atom 0
                          erbium 0
                            erbium molecular entity 0
paths to the root