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Hierarchie
Sub classes
  • O99.511 Diseases of the respiratory system complicating pregnancy, first trimester
  • O99.512 Diseases of the respiratory system complicating pregnancy, second trimester
  • O99.513 Diseases of the respiratory system complicating pregnancy, third trimester
  • O99.519 Diseases of the respiratory system complicating pregnancy, unspecified trimester
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