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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 +
    G03.850.460.100 Air Pollution D000397 +
      G03.850.460.100.110 Air Pollution, Radioactive D000398 
      G03.850.460.100.900 Vehicle Emissions D001335 
      G03.850.460.100.210 Dust D004391 +
      G03.850.460.100.310 Smog D012905 
      G03.850.460.100.340 Smoke D012906 +
      G03.850.460.100.080 Air Pollution, Indoor D016902