Diagnosis of Clostridium difficile infection by toxigenic culture and PCR assay. - Mirzaei, Elnaze Zare; Rajabnia, Mahdi; Sadeghi, Farzin; Ferdosi-Shahandashti, Elaheh; Sadeghi-Haddad-Zavareh, Mahmoud; Khafri, Soraya; Davoodabadi, Abolfazl (Iranian Journal of Microbiology, 2018)