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. 2021 Jan 14;14:139–152. doi: 10.2147/DMSO.S292991

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© 2021 Huang and Wu.

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(A) The right ulnar nerve (in the carpal canal) of normal people shows “ honeycomb” in cross section. (B) The echo in the carpal canal of the right ulnar nerve was significantly lower than that of the normal nerve besides enlarged cross-sectional area.