Table 1.

Number of experimental subjects in each post-surgical time in which the gene expression was studied.

Experimental Groups	NMDA Injection	Sham-Operated Rats (Saline Injection)	Non-Operated Rats (Healthy Control Group)
			n = 6
Time post lesion
24 h	n = 5	n = 4
48 h	n = 6	n = 6
7 days	n = 5	n = 5

N-methyl-D-aspartate (NMDA).