![](https://www.endotext.org/wp-content/uploads/2015/10/ETX-bone-ch6-fig12.png)
Figure 12. 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 secondary uremic hyperparathyroidism.