1. Anismus in chronic constipation

   • D. M. Preston
   • J. E. Lennard-Jones

   Original Articles Pages: 413 - 418

2. Effect of brain-stem lesion on colonic and anorectal motility

   • J. Weber
   • Ph. Denis
   • P. Pasquis

   Original Articles Pages: 419 - 425

3. Effect of a simethicone-containing tablet on colonic gas elimination in breath

   • Carlos H. Lifschitz
   • Charles S. Irving
   • E. O'Brian Smith

   Original Articles Pages: 426 - 430

4. Increased interdigestive pancreatic trypsin secretion in alcoholic pancreatic disease

   • W. R. Brugge
   • C. A. Burke
   • W. Y. Chey

   Original Articles Pages: 431 - 439

5. Plasma secretin in response to pure bile salts and endogenous bile in man

   • S. Bondesen
   • H. Christensen
   • O. B. Schaffalitzky De Muckadell

   Original Articles Pages: 440 - 444

6. Effects of intravenous infusion of amino acids, fat, or glucose on unstimulated pancreatic secretion in healthy humans

   • Claus Niederau
   • Amnon Sonnenberg
   • Joachim Erckenbrecht

   Original Articles Pages: 445 - 455

7. Enzymatic digestion of esophageal meat impaction

   • Fred Goldner
   • David Danley

   Original Articles Pages: 456 - 459

8. Scrotal and abdominal skin necrosis complicating intravenous vasopressin therapy for bleeding esophageal varices

   • Howard K. Gogel
   • Ronald W. Sherman
   • Larry E. Becker

   Original Articles Pages: 460 - 464

9. Peritoneoscopy in the management of catheter malfunction during continuous ambulatory peritoneal dialysis

   • Joanne A. P. Wilson
   • Richard D. Swartz

   Original Articles Pages: 465 - 467

10. Lipid accumulation in jejunal and colonic mucosa following chronic cholestyramine (Questran) feeding

    • Marie M. Cassidy
    • Fred G. Lightfoot
    • George V. Vahouny

    Original Articles Pages: 468 - 476

11. Alterations in calcium, magnesium, iron, and zinc metabolism by dietary cholestyramine

    • Don W. Watkins
    • Reza Khalafi
    • George V. Vahouny

    Original Articles Pages: 477 - 482

12. Absorption studies after massive small bowel resection and antiperistaltic colon interposition in rhesus monkeys

    • G. S. Sidhu
    • K. L. Narasimharao
    • S. K. Mitra

    Original Articles Pages: 483 - 488

13. Selenium absorption by canine jejunum

    • Philip G. Reasbeck
    • Gilbert O. Barbezat
    • Christine D. Thomson

    Original Articles Pages: 489 - 494

14. A case of ulcerative colitis presenting as vasculitic purpura

    • V. McDermott
    • C. F. McCarthy

    Case Report Pages: 495 - 496

15. Intestinal infection withMycobacterium avium in acquired immune deficiency syndrome (AIDS)

    • Robert I. Roth
    • Robert L. Owen
    • Paul A. Volberding

    Case Report Pages: 497 - 504

16. Gastric mucosal prolapse

    • Gaudenz Miller

    Letters to the Editor Pages: 505 - 505

17. Isoamylase distribution

    • Maria Teresa Bardella
    • Nicoletta Molteni
    • Paolo A. Bianchi

    Letters to the Editor Pages: 505 - 506

18. Atherosclerotic emboli

    • Burton I. Korelitz

    Letters to the Editor Pages: 506 - 506

19. Book reviews

    • O. Dhodanand Kowlessar
    • Vincente P. Dinoso Jr

    BookReview Pages: 507 - 507

20. News and notices

    News Pages: 508 - 508