Asghar Ali, M. Asghar Malik, M. Adil Choudhry, M. Asim Siddique and M. Rafique
Pakistan Journal of Biological Sciences 2 ( 3 ): 879 - 880 , 1999
Asghar Ali, M. Asghar Malik, M. Adil Choudhry, M. Khalid and M. Rafique
Pakistan Journal of Biological Sciences 2 ( 3 ): 889 - 890 , 1999