Shareef، S. A.، El-Sanousi، S. M.، و Omer، E. E. (2007). Isolation and Identification of Clostridium Difficile and Other Clostridium Species Associated with Diarrheic Children and their Susceptibility to Antimicrobial Agents (رسالة دكتوراه غير منشورة). جامعة النيلين، الخرطوم. مسترجع من http://search.mandumah.com/Record/1103917
Shareef، Susan Abdul-Lateef، Suleiman Mohamed El-Sanousi، و El-Fadhil El-Obeid Omer. "Isolation and Identification of Clostridium Difficile and Other Clostridium Species Associated With Diarrheic Children and Their Susceptibility to Antimicrobial Agents" رسالة دكتوراه. جامعة النيلين، الخرطوم، 2007. مسترجع من http://search.mandumah.com/Record/1103917