Ikram-ul- Haq, Amna Ehsan, Waseem Ahmad Butt and Sikander Ali
Pakistan Journal of Biological Sciences 5 ( 12 ): 1309 - 1310 , 2002
Sikander Ali, Asad-ur- Rehman, Amna Ehsan, Ikram-ul- Haq and Javed Iqbal
Pakistan Journal of Biological Sciences 6 ( 4 ): 334 - 335 , 2003