A Mehanna, B Mishra, N Kurschat, C Schulze, S Bian, G Loers, A Irintchev and M. Schachner
Brain 132 ( 6 ): 1449 - 1462 , 2009
D. Shukla, S. Chakraborty, S. Singh and B Mishra
DARU 17 ( 4 ): 226 - 235 , 2009