فهرس المقالات amir peymani المقاله 1 - The Prevalence of Clostridium difficile and Clostridium perfringens in Minced and Ground Beef in Iran 10.22034/jchr.2021.1909225.1177 Samaneh Hassani Razzagh Mahmoudi Ata Kabudari Peyman Ghajarbeygi Amir Peymani Shagahyegh Moosavi Saeed Shahsavari Journal of Chemical Health Risks , العدد 5 , السنة 12 , پاییز 2022