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. 2023 Jul 5;9(7):e17050. doi: 10.1016/j.heliyon.2023.e17050

Fig. 7.

Fig. 7

A schematic illustrating 3D spheroid formation of a co-culture of HDF cells (human dermal fibroblast cells lines) and KB-3-1 cells (human epithelial cell lines) [58].