Table 1. Number of animals for different experimental groups and various parameters at 3 d after administration.

	NOR	MOD	EDI	SLI	XST	1X1S	1/2X1/2S	Total
H&E, Nissl stain and crystal violet	12	12	12	12	12	12	12	84
Cerebral blood flow	16	16	16	16	16	16	16	112
Measurement SOD, MDA, CAT, GSH and ROS	5	5	5	5	5	5	0	30
Immunohistochemistry and Immunofluorescent	4	4	4	4	4	4	4	28
Western blot and PCR analysis	4	4	4	4	4	4	0	24
Total	41	41	41	41	41	41	32	278