AoyamaD.: Intestinal metaplasia: Its radiological diagnosis. (In Japanese.). Stomach and Intestine6 (1971), 861.
2.
BaastrupI.Chr.: Roentgenological studies of the inner surface of the stomach and of the movements of the gastric contents. Acta radiol.3 (1924), 180.
3.
BankeL.: Clinical studies on the effect of metoclopramide upon the motility of the stomach and duodenum. In: Gastrointestinal motility, p. 179. Georg Thieme Verlag, Stuttgart1969.
4.
DoiH.: Design of a handy apparatus for the double contrast method. In: Double contrast studies of the stomach, p. 209. Edited by ShirakabeH., Georg Thieme Verlag, Stuttgart1972.
5.
EikenM.: Double contrast roentgenography of the stomach. Acta radiol.49 (1958), 96.
6.
von ElischerJ.: Über eine Methode zur Röntgenuntersuchung des Magens. Fortschr. Röntgenstr.18 (1911), 332.
7.
GelfandD.HachiyaJ.: The double-contrast examination of the stomach using gasproducing granules and tablets. Radiology93 (1969), 1381.
8.
HedemanN.MathiasenM.: Røntgenundersøgelse af ventriklen med dobbeltkontrast. (In Danish.). Ugeskr. Læg.136 (1974), 1079.
9.
KawaiK.TanakaH.: Differential diagnosis of gastric diseases. Igaku Shoin, Tokyo; Springer-Verlag, Berlin, Heidelberg, New York1974.
10.
KoikeY.LidaF.MatsuaK.KusamaJ.IkedaS.: Surgical considerations of gastric diseases showing giant folds, especially with reference to giant hypertrophic gastritis. (In Japanese.). Stomach and Intestine10 (1975), 229.
11.
KreelL.: Review article: Pharmaco-radiology in barium examinations with special reference to glucagon. Brit. J. Radiol.48 (1975), 691.
12.
KreelL.HerlingerH.GlanvilleJ.: Technique of the double contrast barium meal with examples of correlation with endoscopy. Clin. Radiol.24 (1973), 307.
13.
LauferI.: A simple method for routine double contrast study of the upper gastrointestinal tract. Radiology 117 (1975), 513.
14.
LysholmL.: Gasfilling of the stomach and duodenum as aid in their examination. Acta radiol.18 (1937), 259.
15.
SellinkJ. L.: Radiological atlas of common diseases of the small bowel, p. 67. Stenfert Kroesse, Leiden1976.
16.
ShirakabeH.: Double contrast studies of the stomach. Georg Thieme Verlag, Stuttgart1972.
17.
ShirakabeH.IchikawaH.KumakuraK.NishizawaM.HigurachiK.HayakawaH.MurakamiT.: Atlas of X-ray diagnosis of early gastric cancer. Igaku Shoin, Tokyo1966.
18.
VallebonaA.: Nuovo metodo di esame radiologico del tubo digerente. (In Italian.). Radiol. med. (Torino)13 (1926), 241.