1. Bartram, CI, Grainger, RG, Allison, DJ, Diagnostic Radiology. A Textbook of Medical Imaging, 1997, 1011, 1105
2. Chapman, S, Nakielny, R, Chapman, S, Nakielny, R, A Guide to Radiological Procedures, 1993, 64, 69
3. Thomas, B, Sutton, D, A Textbook of Radiology and Imaging, 1993, 858, 859
4. The colon pacified;Simpkins;Br J Radiol,1976
5. Pharmaco-radiology in barium examinations with special reference to glucagon;Kreel;Br J Radiol,1975