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. 2022 Sep 24;17:424. doi: 10.1186/s13018-022-03305-z

Fig. 7.

Fig. 7

Raman confocal microscopy. A Raman spectra from 3D groups 21 days after differentiation show the peaks assigned for mineral and organic compounds related osteogenesis. B Raman spectra of Shilajit at 785-nm excitation related to organic and inorganic components at 500–200 cm−1