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Md. Harun-Or-Rashid, Nurul Karim, M.A. Gafur, Md. Golam Sadik, A.S.M. Anisuzzaman, Noaki Sugimoto and A.T.M. Zafrul Azam
Pakistan Journal of Biological Sciences 9 ( 12 ): 2261 - 2266 , 2006