![](https://www.endotext.org/wp-content/uploads/parathyroid/6/parathyroid6_clip_image004_0002.jpg)
Figure 11.Stimulatory effect on parathyroid cell proliferation (measured by KI-67 staining method) of high medium phosphate concentrations in the incubation milieu of a human parathyroid cell culture system derived from hyperplastic parathyroid tissue of patients with severe 2° uremic hyperparathyroidism.