Muhammad Siddique Sadiq, Ghulam Sarwar and Gul Sanat Shah Khattak
Pakistan Journal of Biological Sciences 2 ( 2 ): 455 - 458 , 1999
Muhammad Siddique Sadiq, G. Sarwar and G. S. S. Khattak
Pakistan Journal of Biological Sciences 2 ( 3 ): 962 - 966 , 1999