?url_ver=Z39.88-2004&rft_id=10.54203%2Fscil.2025.wvj20&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Olivera-Calderon%2C+Rodolfo&rft.aulast=Olivera-Calderon&rft.aufirst=Rodolfo&rft.issue=1&rft.atitle=Surgical+Correction+of+Anal+Atresia+in+a+4-Day-Old+Brown+Swiss+Calf&rft.date=2025&rft.title=World's+Veterinary+Journal&rft.volume=15&rft.pages=176+-181&rft.issn=2322-4568&rft.genre=article