Retinoic Acid Stimulate Differentiation of Hippocampal Stem Cells into Opsin Expressing Cells in vitro

M. Safari, M. Knobakht, N. Rahbar Roshandel, F. Ghazi and M. T. Joghataee

Pakistan Journal of Biological Sciences 12 ( 17 ): 1200 - 1205 , 2009