Fig. 1. Flow chart of the process of selecting thermal stimulation devices items. The “item (product group)” refers to a set of medical devices consisting of products with similar raw materials, manufacturing processes, and quality management systems; The number in parentheses, "(n)", refers to the number of individual approved medical devices within the same product group.

Korean J Acupunct 2023;40:156-68 https://doi.org/10.14406/acu.2023.014

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