1. Measurement of esophageal reflux by scintigraphy

   • Nicholas Velasco
   • Charles E. Pope II
   • Lucius D. Hill

   Original Articles Pages: 977 - 982

2. Monthly fluctuations of active duodenal ulcers

   • F. Palmas
   • A. Andriulli
   • G. Verme

   Original Articles Pages: 983 - 987

3. Serum trypsinogen in diagnosis of chronic pancreatitis

   • W. M. Steinberg
   • K. K. Anderson

   Original Articles Pages: 988 - 993

4. Effects of dietary butter fat on fecal bile acid excretion in patients with Crohn's disease on elemental diet

   • Toichiro Koga
   • Tatsuro Nishida
   • Makoto Okumura

   Original Articles Pages: 994 - 999

5. Comparison of fecal granulocyte excretion in ulcerative colitis and Crohn's colitis

   • S. H. Saverymuttu
   • H. J. F. Hodgson
   • V. S. Chadwick

   Original Articles Pages: 1000 - 1004

6. Treatment of solitary rectal ulcer syndrome with high-fiber diet and abstention of straining at defecation

   • V. van den Brandt-Grädel
   • K. Huibregtse
   • G. N. J. Tytgat

   Original Articles Pages: 1005 - 1008

7. Displacement of endogenous enterokinase into portal venous blood and bile following luminal perfusion of proximal small intestine in guinea pigs

   • R. W. Talbot
   • D. A. W. Grant
   • J. Hermon-Taylor

   Original Articles Pages: 1009 - 1014

8. Induced mucosal penetration and transfer to protal blood of luminal horseradish peroxidase after exposure of mucosa of guinea pig small intestine to ethanol and lysolecithin

   • R. W. Talbot
   • J. R. Foster
   • D. A. W. Grant

   Original Articles Pages: 1015 - 1022

9. Effects of central and peripheral administration of dopamine on pattern of intestinal motility in dogs

   • Jean Fioramonti
   • Marie-Jose Fargeas
   • Lionel Bueno

   Original Articles Pages: 1023 - 1027

10. Pathogenesis of rotavirus-induced diarrhea

    • David Y. Graham
    • Jeffrey W. Sackman
    • Mary K. Estes

    Original Articles Pages: 1028 - 1035

11. Comparative effects of bombesin and porcine gastrin-releasing peptide in the dog

    • J. R. Lambert
    • J. Hansky
    • P. Hunt

    Original Articles Pages: 1036 - 1040

12. Plasma enteroglucagon and CCK levels and cell proliferation in defunctioned small bowel in the rat

    • G. E. Gornacz
    • M. A. Ghatei
    • S. R. Bloom

    Original Articles Pages: 1041 - 1049

13. Effect of dietary cholesterol and indomethacin on cholelithiasis and gallbladder motility in guinea pig

    • Erica A. Brotschi
    • Wayne W. Lamorte
    • Lester F. Williams Jr

    Original Articles Pages: 1050 - 1056

14. Small bowel radiography

    • Dean D. T. Maglinte
    • Hans Herlinger

    Point of View Pages: 1057 - 1059

15. Methodological problems in measuring gastrointestinal blood flow

    • R. Wechsler

    Editorial Comment Pages: 1060 - 1061

16. Alkaline gastritis following antrectomy—An elusive syndrome

    • Frank P. Brooks

    Editorial Comment Pages: 1062 - 1062

17. Gastric retention of enteric-coated sulfasalazine tablets

    • Albert M. Harary
    • Charles A. Gluck
    • Arvey I. Rogers

    Case Report Pages: 1063 - 1065

18. Carcinoma associated with achalasia

    • Frederick W. Heiss
    • Alan Tarshis
    • F. Henry Ellis Jr

    Case Report Pages: 1066 - 1069

19. Plasma diamine oxidase (DAO) and heparin

    • Luciano D'Agostino
    • Carolina Ciacci
    • Gabriele Mazzacca

    Letter to the Editor Pages: 1070 - 1071

20. News and notices

    News Pages: 1072 - 1072