1. Pneumatic dilatation in patients with symptomatic diffuse esophageal spasm and lower esophageal sphincter dysfunction

   • E. C. Ebert
   • A. Ouyang
   • W. H. Lipshutz

   Original Articles Pages: 481 - 485

2. Giant duodenal ulcers

   • Richard Jaszewski
   • Steven A. Crane
   • Arturo A. Cid

   Original Articles Pages: 486 - 489

3. Pancreolauryl test

   • P. G. Lankisch
   • A. Schreiber
   • J. Otto

   Original Articles Pages: 490 - 493

4. Cortisol excretion into gastric juice

   • H. K. Kley
   • H. Peerenboom
   • H. L. Krüskemper

   Original Articles Pages: 494 - 501

5. Inhibitory effect of intragastric glucose on gastric acid secretion and gastric emptying of liquids in man

   • Haruka Sasaki
   • Murugasu Nagulesparan
   • Roger H. Unger

   Original Articles Pages: 502 - 506

6. Radioimmunoassay and intramural distribution of PHI-IR in human intestine

   • N. D. Christofides
   • Y. Yiangou
   • S. R. Bloom

   Original Articles Pages: 507 - 512

7. Oral administration of spermine inhibits gastric acid secretion in rats

   • Jyotirmoy Nandi
   • Mark V. Wright
   • Tushar K. Ray

   Original Articles Pages: 513 - 517

8. Pancreatic secretory profiles of protein, digestive, and lysosomal enzymes in Syrian golden hamster

   • H. Rinderknecht
   • R. Maset
   • C. Carmack

   Original Articles Pages: 518 - 525

9. Pancreatic secretory abnormalities precede appearance of tumors of the pancreas in hamsters treated with bis-(2-oxopropyl)-N-nitrosamine

   • H. Rinderknecht
   • G. Haberfelde
   • C. Carmack

   Original Articles Pages: 526 - 538

10. In vitro effects of pancreatic polypeptide and motilin on contractility of human gallbladder

    • I. S. Pomeranz
    • J. S. Davison
    • E. A. Shaffer

    Original Articles Pages: 539 - 544

11. Drug and treatment efficacy of chenodeoxycholic acid in 97 patients with cholelithiasis and increased surgical risk

    • Tim Tangedahl
    • William D. Carey
    • N. C. Hightower

    Original Articles Pages: 545 - 551

12. Species and strain differences in mepirizole-induced duodenal and gastric lesions

    • Yasunobu Ishihara
    • Yoshiharu Yamada
    • Susumu Okabe

    Original Articles Pages: 552 - 558

13. Double-blind comparison of liquid antacid and placebo in the treatment of symptomatic reflux esophagitis

    • David Y. Graham
    • David J. Patterson

    Original Articles Pages: 559 - 563

14. Double-blind assessment of therapeutic efficacy in clinical trials

    • Sidney Cohen

    Editorial Pages: 564 - 565

15. Ileocecal endometriosis presenting with abdominal pain and gastrointestinal bleeding

    • Craig A. Aronchick
    • Frank P. Brooks
    • John J. Thompson

    Case Report Pages: 566 - 572

16. Pseudomembranous colitis secondary to metronidazole

    • John J. Daly
    • K. V. S. Chowdary

    Case Report Pages: 573 - 574

17. Intestine and ethanol ingestion

    • R. Talbot
    • B. Worthington

    Letters to the Editor Pages: 575 - 575

18. News and notices

    News Pages: 576 - 576