Evaluation of the paw withdrawal latency for the comparison between tramadol and butorphanol administered locally, in the plantar surface of rat, preliminary study

• Claudia Interlandi ,

  Contributed equally to this work with: Claudia Interlandi, Giovanna Lucrezia Costa

  Roles Data curation, Writing – original draft

  * E-mail: cinterlandi@unime.it

  Affiliation Department of Veterinary Sciences, University of Messina, Messina, Italy

  https://orcid.org/0000-0002-5933-4334

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• Fabio Leonardi ,

  Roles Data curation

  ¶‡ FL and FS also contributed equally to this work.

  Affiliation Department of Medicine and Veterinary Sciences, University of Parma, Parma, Italy

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• Filippo Spadola ,

  Roles Data curation

  ¶‡ FL and FS also contributed equally to this work.

  Affiliation Department of Veterinary Sciences, University of Messina, Messina, Italy

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• Giovanna Lucrezia Costa

  Contributed equally to this work with: Claudia Interlandi, Giovanna Lucrezia Costa

  Roles Formal analysis

  Affiliation Department of Veterinary Sciences, University of Messina, Messina, Italy

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