Cloning of Immunogenic Domain of Clostridium Difficile Toxin B in Lactococcus lactis to Develop an Oral Vaccine Based on Lactococcus against Clostridium difficile Associated Coli... oleh Yasser Rahimi, Mohammad Rabbani-Khorasgani, Sayyed Hamid Zarkesh-Esfahani, Rahman Emamzadeh, Hossein Keyvani Amineh, Marzieh Rezaei