J. A. Khanam, M. Akhtaruzzaman, A. Y. K. M. Masud Rana and M. Shajahan
Journal of Medical Sciences 2 ( 4 ): 198 - 201 , 2002
Md. Abdul Hye Khan, Asif Hasan Chowdhoury, M. Ashik Mosaddik and M. Shajahan
Pakistan Journal of Biological Sciences 3 ( 6 ): 911 - 914 , 2000