References
- Barbosa, J. J. , Castro, De , Dockerty, M. B. and Waugh, J. M. (1941) Surg. Gynec. and Obst., 82, p. 527.
- Boyd, W. (1944) Surgical Pathology, p. 352.
- Branch, D. D. and Gross, R. E. (1935) Arch. Surg., 31, p. 200.
- Brandscheid, F. (1938) Rontgenpraxis, 10, p. 448.
- Buckstein, J. (1948) The Digestive Tract in Roentgenology.p. 230.
- Faust, D. B. and Mudgett, C. S. (1940) Ann. Int. Med., 14, p. 717.
- Feldman, M. (1945) Clinical Roentgenology of the Digestive Tract.pp. 249-663.
- Gilbert, R. and Bardet, P. (1935) Bull, et mem. Soc. radiol. med. de France, 23, p. 493.
- Heilig, W. (1937) Rontgenpraxis, 9, p. 709.
- Kaufman, E. (1931) Spezielle Pathologische Anatomic.p. 967.
- McLaren, J. W. (1948) Modern trends in Diagnostic Radiology.p. 210.
- Palazzo, W. L. and Schulz, M. D. (1948) Radiology, 51, p. 779.
- Present, A. J. (1946) Am. J. Roentgenol., 56, p. 55.
- Renander, A. (1936) Acta Radiol., 17, p. 491.
- Roach, J. F. and Poppel, M. H. (1946) Am. J. Roentgenol., 56, p. 586.
- Stohr, R. and Kogler, K. (1936) Arch. f. Verdauungskr., 59, p. 266.