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© May 2005 Lorentz JÄNTSCHI && Sorana Daniela BOLBOACĂ

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 G03 Environment and Public Health D004778 +
  G03.850 Public Health D011634 +
   G03.850.460 Environmental Pollution D004787 +
    G03.850.460.350 Environmental Exposure D004781 +
     G03.850.460.350.600 Occupational Exposure D016273 +
      G03.850.460.350.600.807 Threshold Limit Values D020711 


 N03 Health Care Economics and Organizations D004472 +
  N03.706 Social Control, Formal D012926 +
   N03.706.615 Legislation D007878 +
    N03.706.615.917 Threshold Limit Values D020711