References Public Health Wales National Institute for Clinical Excellence NHS choices REBL Innovations Medline Plus The Twenty First Floor

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Clinical neuroanatomy 7th edition R. S. Snell Wolters Klluwer Health 2010

Gray's Anatomy 2nd Edition R. L. Drake, A. W. Vogl, A.W. M. Mitchell Churchill Livingstone 2010

Clinically Orientated Anatomy 6th Edition K. L. Moore, A. F. Dalley, A. M. R. Agur Wolters Kluwer 2010