Xing- Cong Li, Melissa R. Jacob, Shabana I. Khan, M. Khalid Ashfaq, K. Suresh Babu, Ameeta K. Agarwal, Hala N. ElSohly, Susan P. Manly and Alice M. Clark
Antimicrobial Agents and Chemotherapy 52 ( 7 ): 2442 - 2448 , 2008