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2.
Garrett, N., Jr. and Gall, E.A.: "Esophageal Varices without Hepatic Cirrhosis." A.M.A. Arch. Path., 1953 Vol. 55, pp. 196-202.
3.
Kaplan, B.: "Esophageal Varices." M. Rec..1941 , Vol. 154, pp. 176-180.
4.
Snodgrass, R.W. and Mellinkoff, S.M.: "Bleeding Varices in upper esophagus due to obstruction of Superior Vena Cava; Case Report." Gastoenterology , 1961, Vol. 41, pp. 505-508.
5.
Mikkelsen, W.J. : "Varices of Upper Esophagus in Superior Vena Caval Obstruction." Radiology, 1963, Vol. 81 pp. 945-948.
6.
Felson, B.: Personal communication to #7.
7.
Otto, Donald L. and Kurtzman, Raymond S.: "Esophageal Varices in Superior Vena Caval Obstruction." Radiology1964, Vol. 92, pp. 1000.
8.
Palmer, E.D. : "Primary Varices of the Cervical Esophagus as a Source of Massive Upper Gastrointestinal Bleeding." Amer. J. Dig. Dis.1952, Vol. 19, p. 375.