An interesting variation in the fifth lumbar vertebra

Arey L.B., 1965, Developmental Anatomy. A textbook and laboratory manual of embryology, W.B. Saunders Co., Philadelphia, London, 357-358

Beck F., D.B. Moffat, D.P. Davies, 1985, Human Embryology 2 ed., Blackwell Scientific Publications, Oxford, London

Hibbs R.A., W.E. Swift, 1929, Developmental anomalies at the lumbosacral juncture causing pain and disability. A report of one hundred and fourty-seven patients treated by the spine fusion operation. Surg. Gyn. Ob., 48, 604-612

Horwrrz T., R.M. Smith, 1940, An anatomical, pathological and roentgenological study of the intervertebral joints of the lumbar spine and of the sacroiliac joints. Am. J. Roentgenol., 43, 173-186

McCulloch J.A., G. Waddell, 1980, Variation of the lumbosacral myotomes with bony segmental anomalies. J. Bone and Joint Surg. 62B (4), 475-480 DOI: https://doi.org/10.1302/0301-620X.62B4.7430228

Nathan H., B. Arensburgh, 1972, An unusual variation in the fifth lumbar and sacral vertebrae: a possible cause of vertebral canal narrowing. Anat. Anz., 132, 137-148

Williams P.L., R. Warwick, 1980, Gray's Anatomy 36 ed., Churchill Livingstone, Edinburgh, London