1. Tumours of the cauda equina: a review of their clinical features and differential diagnosis;M, Allen I.;Journal of Neurologv and Psychopathology,1930
2. A case of invasion of the cauda equina by tumour with demarcation of all the sensory root areas of the lower limbs;R, Box C.;Lancet,1903
3. Painless tumors of the cauda equina;G, Campbell F.;Neurology (Minneapolis),1963
4. Xanthochromia and increased protein in the spinal fluid above tumors of the cauda equina;H.., Cushing; Ayer, J.B.;Archives of Neurology and Psychiatry (Chicago),1923
5. Cauda equina tumours;Falconer, M.;Transactions of the Medical Society of London,1966