1. Roentgen Examination in Acute Abdominal Diseases;Frimann-Dahl,1951
2. Mobility of the Rectosigmoid—A New Diagnostic Sign;Levene;Radiology,1950
3. Levene, George: Incidence of Stones in Diseased Gallbladders. Unpublished data.
4. Levene, George and Scheff, Saul: Cholecystography—A Critical Analysis of Failures in Diagnosis. Am. J. Digest. Dis. In press.
5. Value of Laminography in Difficult Gallbladder Problem;Levene;Am. J. Digest. Dis,1950