1. The Radiology of Bones and Joints;Brailsford,1953
2. Lumbosacral roentgenograms of 450 applicants for heavy work;Breck;Annals of Surgery,1944
3. The ‘normal’ lumbosacral spine;Crow;Radiology,1959
4. Roentgenologic aspects of spina bifida occulta;Dittrich;American Journal of Roentgenology and Radium Therapy,1938
5. Neuropathic bladder;Eckstein,1974