1. Hepatitis B virus the importance of “Nonepidemics”

   • James W. Mosley

   Editorial Pages: 289 - 290

2. When is a new test a valid test?

   • John A. Balint

   Editorial Pages: 291 - 292

3. The risk of hepatitis B to hospital personnel

   • Charles W. Wickliffe
   • John T. Galambos
   • Linda Blitch

   Original Articles Pages: 293 - 296

4. Serum lysozyme, serum proteins, and immunoglobulin determinations in nonspecific inflammatory bowel disease

   • O. S. El-Khatib
   • O. Lebwohl
   • P. R. Holt

   Original Articles Pages: 297 - 301

5. Transvenous (transjugular) liver biopsy

   • Didier Lebrec
   • Claude Degott
   • Jean-Pierre Benhamou

   Original Articles Pages: 302 - 304

6. [³H]Thymidine-labeled colonic epithelial cells and mucosa in mice and man

   • Eleanor E. Deschner
   • Sidney J. Winawer
   • Camille C. Boyle

   Original Articles Pages: 305 - 311

7. Gastric emptying in the cat in response to hypertonic solutions and tryptophan

   • Allan R. Cooke

   Original Articles Pages: 312 - 315

8. Effect of diester and diether phosphatidylcholine on intestinal absorption of neutral and acidic sterols

   • P. J. O'Connor
   • T. A. Loiudice
   • J. B. Rodgers

   Original Articles Pages: 316 - 320

9. Cephalosporin-associated pseudomembranous colitis

   • David F. Hutcheon
   • Francis D. Milligan
   • Thomas R. Hendrix

   Original Articles Pages: 321 - 326

10. Enteropeptidase levels in duodenal juice of normal subjects and patients with gastrointestinal disease

    • H. Rinderknecht
    • M. R. Nagaraja
    • N. F. Adham

    Original Articles Pages: 327 - 331

11. Effect of bile acids and pH on the release of enteropeptidase in man

    • H. Rinderknecht
    • M. R. Nagaraja
    • N. F. Adham

    Original Articles Pages: 332 - 336

12. Skin test reactivity in inflammatory bowel disease in the United States and Czechoslovakia

    • W. R. Thayer Jr
    • B. Fixa
    • C. E. Field

    Original Articles Pages: 337 - 340

13. Control of lower-esophageal-sphincter contractile activity by motilin in conscious dogs

    • Zen Itoh
    • Isamu Aizawa
    • Ernest F. Couch

    Original Articles Pages: 341 - 345

14. Gastric polyposis due to multiple hyperplastic adenomatous polyps

    • Gary A. Weaver
    • Martin S. Kleinman

    Original Articles Pages: 346 - 352

15. Depressed delayed cutaneous hypersensitivity in alcoholic hepatitis

    • Ned Snyder
    • Joel Bessoff
    • Harold O. Conn

    Original Articles Pages: 353 - 358

16. Stimulation of mucus and nonparietal cell secretion by the E₂ prostaglandins

    • John P. Bolton
    • Douglas Palmer
    • Max M. Cohen

    Original Articles Pages: 359 - 364

17. Small-intestinal transit during total parenteral nutrition in the rat

    • Norman W. Weisbrodt
    • Florentino Badial-Aceves
    • Gilbert A. Castro

    Original Articles Pages: 365 - 369

18. The VIP controversy

    • Allen L. Ginsberg
    • Allen L. Ginsberg

    Controversies in Gastroenterology Pages: 370 - 370

19. Plasma VIP in patients with watery diarrhea syndrome

    • Jerry D. Gardner

    Controversies in Gastroenterology Pages: 370 - 373

20. Vasoactive intestinal peptide, the major mediator of the WDHA (pancreatic cholera) syndrome: Value of measurement in diagnosis and treatment

    • S. R. Bloom

    Controversies in Gastroenterology Pages: 373 - 376

21. The detection of early hemochromatosis

    • Lawrie W. Powell
    • June W. Halliday

    Editorial Pages: 377 - 379

22. Book reviews

    • Frank L. Iber
    • Richard A. Baum
    • Richard E. Sampliner

    BookReview Pages: 380 - 382

23. News and notices

    News Pages: 383 - 384