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4th sacral spinal nerve (S4)

Function: - rectal tone [2]

General

sacral spinal nerve

References

  1. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999
  2. Geriatrics at your Fingertips, 21st edition, 2019 Reuben DB et al (eds) American Geriatric Society ISSNL 1553-152X, ISBN 978-1-886775-62-6

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