Yam Mun Fei, A.G. Pillay and Jamaludin Zainol
Journal of Medical Sciences 3 ( 5 ): 358 - 366 , 2003
Journal of Medical Sciences 4 ( 2 ): 146 - 157 , 2004
Journal of Medical Sciences 3 ( 5 ): 325 - 343 , 2003
Pakistan Journal of Biological Sciences 3 ( 1 ): 52 - 56 , 2000
Pakistan Journal of Biological Sciences 2 ( 4 ): 1219 - 1223 , 1999