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© May 2005 Lorentz JÄNTSCHI && Sorana Daniela BOLBOACĂ

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 D27 Chemical Actions and Uses D020164 +
  D27.720 Specialty Uses of Chemicals D020313 +
   D27.720.723 Pesticides D010575 +
    D27.720.723.366 Herbicides D006540 +
     D27.720.723.366.506 Herbicides, Urea D006543 


 D27 Chemical Actions and Uses D020164 +
  D27.888 Toxic Actions D004786 +
   D27.888.723 Pesticides D010575 +
    D27.888.723.366 Herbicides D006540 +
     D27.888.723.366.506 Herbicides, Urea D006543