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Critical Reviews in Diagnostic Imaging|January 1, 1987
Optimizing single- and double-contrast colon examinationsD W Gelfand, D J Ott, Y M ChenGastrointestinal Radiology|August 15, 1979
Pneumoperitoneum occurring during double-contrast enemaD W Gelfand, D J Ott, N A RamquistAJR. American Journal of Roentgenology|October 1, 1984
The location and size of gastric ulcers: radiologic and endoscopic evaluationD W Gelfand, W J Dale, D J OttAJR. American Journal of Roentgenology|January 1, 1981
Pneumomediastinum after double-contrast barium enema examination: a sign of colonic perforationP J Beerman, D W Gelfand, D J OttRadiology|March 1, 1987
Multiphasic examinations of the stomach: efficacy of individual techniques and combinations of techniques in detecting 153 lesionsD W Gelfand, Y M Chen, D J OttGastrointestinal Radiology|April 30, 1980
Causes of error in gastrointestinal radiology. II. Barium enema examinationD J Ott, D W Gelfand, N A RamquistAJR. American Journal of Roentgenology|June 1, 1987
Decreasing numbers of gastrointestinal studies: report of data from 69 radiologic practicesD W Gelfand, D J Ott, Y M ChenGastrointestinal Radiology|January 1, 1989
Effects of hiatal hernia, reflux esophagitis, and glucagon on the quality of double-contrast esophagramD J Ott, Y M Chen, D W GelfandAJR. American Journal of Roentgenology|July 1, 1982
Detection of gastric ulcer: comparison of single- and double-contrast examinationD J Ott, D W Gelfand, W C WuDiseases of the Esophagus : Official Journal of the International Society for Diseases of the Esophagus|April 19, 2000
Reflux evaluation: correlation between pH results, esophagitis, esophageal dysmotility, patient age, and esophageal caliberM Y Chen, D W Gelfand, D J OttPageof 17