Effects of Ammonium Nitrate, Sodium Nitrate, and Urea on Red-Legged Frogs, Pacific Treefrogs, and African Clawed Frogs

  • G. S.  Schuytema
  • A. V.  Nebeker

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Copyright information

© Springer-Verlag New York Inc. 1999

Authors and Affiliations

  • G. S.  Schuytema
    • 1
  • A. V.  Nebeker
    • 1
  1. 1.United States Environmental Protection Agency, National Health and Environmental Effects Research Laboratory, Western Ecology Division, 200 SW 35th Street, Corvallis, OR 97333, USA US

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