[Retracted] Effect of Fas and Bcl-2 DNA Damages Response Expression in Stem Cells on Apoptosis of Nucleus Pulposus of Intervertebral Disc

Table 1

Experimental design.

	Number of FAS specimen sections	Number of sections of Bcl-2 specimens	Number of Fas- and Bcl-2-positive pairs of photos (lymphoma)	Number of Fas-/Bcl-2-positive pairs of photos
Experimental group (20 cases)	40	40	2	4
Control group (6 cases)	12	12	2	1