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© May 2005 Lorentz JÄNTSCHI && Sorana Daniela BOLBOACĂ

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 C20 Immunologic Diseases D007154 +
  C20.543 Hypersensitivity D006967 +
   C20.543.312 Environmental Illness D018876 +
    C20.543.312.750 Sick Building Syndrome D018877 


 C21 Disorders of Environmental Origin D007280 +
  C21.223 Environmental Illness D018876 +
   C21.223.750 Sick Building Syndrome D018877