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. Author manuscript; available in PMC: 2021 Jul 30.
Published in final edited form as: Adv Funct Mater. 2020 Jun 10;30(37):1908999. doi: 10.1002/adfm.201908999

Figure 1.

Figure 1.

The treatment targets to achieve various analgesics (Figure is adapted from [30]). The pharmacological treatment, e.g. opiods, NMDA blockers, antidepressants, and the physical neuromodulation approaches, e.g. motor cortex stimulation, spinal cord stimulation, deep brain stimulation are included as candidate methods for pain treatment at corresponding action sites.