Table 2.

Experimental Groups for Western Blotting. Surgical Procedure and Survival Time in Experimental Rats

		No. of animals at each survival point
Experimental group	Initial operation	3 days	1 wk	3 wks	6 wks	12 wks
Normal Control	None	3*	0	0	0	0
Syrinx induction	4 intraparenchymal injections of quisqualic acid & subarachnoid kaolin	3	3	3	3	3

^*Three normal control (non-operated) animals were used. Since there is no surgery involved, the same three animals were used for each time-point.