Amyotrophic lateral sclerosis 335.20 http://purl.bioontology.org/ontology/ICD9CM/335.20 Amyotrophic sclerosis CHD Motor neuron disease 335.2 http://purl.bioontology.org/ontology/ICD9CM/335.2 ChildCount 6 class ChildCount 0 SY Amyotrophic lateral sclerosis 335.20 http://purl.bioontology.org/ontology/ICD9CM/335.20 ChildCount 0 class Semantic_Type Disease or Syndrome TUI T047 ICE Motor neuron disease (bulbar) (mixed type) SYNONYM AB Amyotrophic sclerosis UMLS_CUI C0002736 SuperClass Motor neuron disease 335.2 http://purl.bioontology.org/ontology/ICD9CM/335.2 ChildCount 6 class class