List of Articles پیمان قجربیگی Article 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 , Issue 5 , Year , Autumn 2022