Table 1.

Randomization of Discs

Animal	Degeneration control	Nondegeneration control	Link N	MSCs	Link N+MSCs
1	x	x	x	x
2		x	x	x	x
3	x		x	x	x
4	x	x		x	x
5	x	x	x		x
6	x	x	x	x
7		x	x	x	x
8	x		x	x	x
9	x	x			x

MSCs, mesenchymal stem cells.