Diameter of the Pyloric Aperture in Relation to the Contraction of the Canalis Egestorius

Astley R. : Radiology of the alimentary tract in infancy. Edward Arnold, London 1956.

Atkinson M. Edwards D. A. W. Honour A. J. Rowlands E. N. : Comparison of cardiac and pyloric sphincters. Lancet 273 (1957), 918.

Barclay A. E. : The digestive tract. 2nd edition. University Press, Cambridge 1936.

Best C. H. Taylor N. B. : Physiological basis of medical practice. Williams and Wilkins, Baltimore 1955.

Bockus H. L. : Gastro-enterology. W. B. Saunders, Philadelphia 1953.

Buckstein J. : The digestive tract in roentgenology. 2nd edition. J. B. Lippincott, London 1953.

Cole L. G. : Physiology of the pylorus, pilleus ventriculi and duodenum as observed roentgenographically. J. Amer. med. Ass. 61 (1913), 762.

Cole L. G. Motor phenomenon of the stomach, pylorus and cap observed roentgenographically. Amer. J. Physiol. 42 (1917), 618.

Cole L. G. The living stomach and its motor phenomenon. Acta radiol. 9 (1928), 533.

Crider J. O. Thomas J. E. : A study of gastric emptying with pylorus opened. Amer. J. dig. Dis. 4 (1937), 295.

Cunningham D. J. : The varying form of the stomach in man and the anthropoid ape. Trans. roy. Soc. Edinb. 45 (1906), 9.

Cunningham D. J. Text-book of anatomy. 9th edition. University Press, Oxford 1951.

Forssell G. : Über die Beziehung der Röntgenbilder des menschlichen Magens zu seinem anatomischen Bau. Fortschr. Röntgenstr. Ergänzungsband 30 (1913).

Frimann-Dahl J. : Über den Nachweis der sogenannten kongenitalen Pylorus-Hypertrophie durch Röntgenuntersuchung. Acta radiol. 16 (1935), 331.

Goetze O. : Die Mechanik des normalen Magens. Fortschr. Röntgenstr. 56 (1937), 255.

Golden R. : Antral gastritis and spasm. J. Amer. med. Ass. 109 (1937), 1497.

Golden R. Roentgenologic examination of the digestive tract. Thomas Nelson and Sons, New York 1951.

Gray H. : Gray's anatomy. 32nd edition. Longmans, Green and Co, London 1958.

Houssay B. A. : Human physiology. 2nd edition. McGraw-Hill Book Co, London 1955.

Johnstone A. S. : Lancet (letters to editor). 1957: 2, p. 1122.

Jones Avery .: Modern trends in gastro-enterology. 2nd series. Butterworth and Co, London 1958.

Keet A. D. : Roentgenologic features of the pyloric sphincter. S. Afr. med. J. 26 (1952), 141.

Keet A. D. The prepyloric contractions in the normal stomach. Acta radiol. 48 (1957), 413.

Keet A. D. The prepyloric contractions in certain abnormal conditions. Acta radiol. 50 (1958), 413.

Lilja B. : Gastric block. A disturbance of gastric motive function. Acta radiol. 39 (1953), 353.

Lilja B. Motor activity of the stomach. Acta radiol. (1959) Suppl. No. 180.

McNaught G. H. D. : Simple pyloric hypertrophy in the adult. J. roy. Coll. Surg. Edinb. 3 (1957), 35.

Schinz H. R. Baensch W. E. Friedl E. Uehlinger E. : Roentgen-diagnostics. Grune and Stratton, New York 1954.

Shanks S. C. Kerley P. : A text-book of x-ray diagnosis. 3rd edition. H. K. Lewis, London 1958.

Templeton F. E. : X-ray examination of the stomach. University of Chicago Press, Chicago 1947.

Thomas J. E. : Mechanics and regulation of gastric emptying. Physiol. Rev. 37 (1957), 453.

Thomas J. E. Crider J. O. Morgan C. J. : A study of reflexes involving the pyloric sphincter and antrum, and their role in gastric evacuation. Amer. J. Phys. 108 (1934), 683.

Torgersen J. : The muscular build and movements of the stomach and duodenal bulb. Acta radiol. (1942) Suppl. No. 45.

Torgersen J. Personal communication 1951.

Wheelon H. Thomas J. E. : Rhythmicity of the pyloric sphincter. Amer. J. Physiol. 54 (1921), 460.

Wheelon H. Thomas J. E. Observations on the motility of the duodenum and the relation of duodenal activity to that of the pars pylorica. Amer. J. Physiol. 59 (1922), 72.