00282nam a2200109Ia 450000500170000000800410001708200140005810000190007224500230009126000500011430000080016420260224040827.0260224s9999||||xx |||||||||||||| ||und||  a660.6 TYA  aTyagi, R. Dr.  0acell Biotechnology  aNew Delhi:. Discovery Publishers House c2005  a321