?url_ver=Z39.88-2004&rft_id=https%3A%2F%2Fdx.doi.org%2F10.54203%2Fscil.2020.wvj74&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=El-Helw&rft.aufirst=H.+A.&rft.au=El-Helw%2C+H.+A.&rft.pages=617-624&rft.volume=10&rft.atitle=Identifying+the+Virulent+Factors+of+Clostridium+perfringens+Locally+Isolated+from+Different+Species&rft.issue=4&rft.title=World's+Veterinary+Journal&rft.issn=23224568+(ISSN)&rft.date=25+December+2020&rft.genre=article