Research Article

Intervertebral Disc Degeneration Induced by Needle Puncture and Ovariectomy: A Rat Coccygeal Model

Figure 2

(a) Hematoxylin and eosin (HE) staining and safranin staining of discs in the four groups at 4, 8, and 12 weeks. (b) HE scores at 4, 8, and 12 weeks. .
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(b)