[Retracted] Stem Cells Promote the Regeneration of Knee Joint Degenerative Bone and Articular Cartilage

Table 1

Intracellular element content statistics after 24 h incubation.

Labeling concentration (ug/ml)	4	6	8	10	12
Intracellular iron content (mmol/L)	0.79	1.24	2.76	2.34	2.23