1. Cyclic nucleotides and the regulation of canine gastric acid secretion

   • Dennis Thurston
   • Pearl Tao
   • Donald E. Wilson

   Original Articles Pages: 257 - 264

2. Studies on the source of cyclic AMP in canine gastric juice

   • E. H. Schwartzel Jr
   • R. A. Levine

   Original Articles Pages: 265 - 268

3. A prospective study of the course of Crohn's disease

   • S. Kaufman
   • B. Chalmer
   • W. Beeken

   Original Articles Pages: 269 - 276

4. Comparison of flexible sigmoidoscopy with other diagnostic techniques in the diagnosis of rectocolon neoplasia

   • Sidney J. Winawer
   • Sheldon D. Leidner
   • Robert C. Kurtz

   Original Articles Pages: 277 - 281

5. Autoimmune hemolytic anemia in ulcerative colitis

   • Alan R. Altman
   • Charles Maltz
   • Henry D. Janowitz

   Original Articles Pages: 282 - 285

6. Lack of supportive evidence for an autosomal recessive inheritance in chronic hepatitis B infections

   • Myron J. Tong
   • John M. Weiner

   Original Articles Pages: 286 - 288

7. l-Dopa inhibits metoclopramide stimulation of the lower esophageal sphincter in man

   • Howard W. Baumann
   • Richard A. L. Sturdevant
   • Richard W. McCallum

   Original Articles Pages: 289 - 295

8. Effects of endogenous hyperglucagonemia on lower esophageal sphincter pressure and gastric acid secretion

   • Richard D. Tolin
   • Guenther Boden
   • Robert S. Fisher

   Original Articles Pages: 296 - 304

9. Hepatic siderosis in alcoholics

   • Andrew W. Jakobovits
   • Marsha Y. Morgan
   • Sheila Sherlock

   Original Articles Pages: 305 - 310

10. Relationship of hiatal hernia to endoscopically proved reflux esophagitis

    • Richard A. Wright
    • Alfred L. Hurwitz

    Original Articles Pages: 311 - 313

11. HLA and peptic ulcer

    • Brian D. O'Brien
    • Alan B. R. Thomson
    • John B. Dossetor

    Original Articles Pages: 314 - 315

12. Crohn's disease with spontaneous ileoumbilical and ileovesical fistulae

    • Turner W. Rentz Jr
    • C. Stratton Warden
    • Paul J. Kovalcik

    Case Report Pages: 316 - 318

13. Instrumental esophageal perforation

    • Jeffrey D. Jones
    • Eugene M. Bozymski

    Case Report Pages: 319 - 320

14. Transhepatic portal venography and selective obliteration of gastroesophageal varices using isobutyl 2-cyanoacrylate (Bucrylate)

    • Patrick C. Freeny
    • Reiley Kidd

    Forums in Gastrointestinal Roentgenology Pages: 321 - 330

15. Celiac axis compression syndrome—Exceptions to a “critical review”

    • Mario J. R. Ravry
    • Scott J. Boley

    Letter to the Editor Pages: 331 - 332

16. Book reviews

    • Frank L. Iber

    BookReview Pages: 333 - 334

17. News and notices

    News Pages: 335 - 336