1. Milk, lactase, and gene distribution

   • Albert D. Newcomer

   Editorial Pages: 961 - 962

2. The geographic hypothesis and lactose malabsorption

   • Frederick J. Simoons

   Review Article Pages: 963 - 980

3. Plasma secretin concentrations in fasting and postprandial state in man

   • William Y. Chey
   • Young H. Lee
   • Hsin-Hsiung Tai

   Original Articles Pages: 981 - 988

4. Effect of topical acid on duodenal pepsinogen secretion in the rat

   • William M. Liebman
   • I. Michael Samloff

   Original Articles Pages: 989 - 992

5. Gastric retention in peptic ulcer disease

   • Andre Dubois
   • Steven F. Price
   • Donald O. Castell

   Original Articles Pages: 993 - 997

6. Hypergastrinemia of antral origin in duodenal ulcer

   • C. B. H. Lamers
   • C. M. Ruland
   • J. F. Rehfeld

   Original Articles Pages: 998 - 1002

7. The effect of hyperthyroidism on gastric emptying rates and pancreatic exocrine and biliary secretion in man

   • Zealous D. Wiley
   • Michael E. Lavigne
   • Ian L. MacGregor

   Original Articles Pages: 1003 - 1008

8. Trace metal and essential fatty acid deficiency during total parenteral nutrition

   • Denis M. McCarthy
   • Roger J. May
   • Murray F. Brennan

   Original Articles Pages: 1009 - 1016

9. Effects of caloric restriction on the kinetics of indocyanine green in patients with liver diseases and in the rat

   • Hideki Ohkubo
   • Hirotaka Musha
   • Kunio Okuda

   Original Articles Pages: 1017 - 1024

10. Effectiveness of high-dose spironolactone therapy in patients with chronic liver disease and relatively refractory ascites

    • Jose L. Campra
    • Telfer B. Reynolds

    Original Articles Pages: 1025 - 1030

11. Diagnostic value of combined transhepatic venography and inferior vena cavography in chronic Budd-Chiari syndrome

    • D. V. Datta
    • S. Vashishta
    • P. N. Chhuttani

    Original Articles Pages: 1031 - 1041

12. Achalasia in father and son

    • Donald Mackler
    • Richard Schneider

    Original Articles Pages: 1042 - 1045

13. Transcatheter therapy of gastrointestinal arterial bleeding

    • Thomas W. Twiford Jr
    • Harvey M. Goldstein
    • Jesus Zornoza

    Forums in Gastrointestinal Roentgenology Pages: 1046 - 1053

14. Book reviews

    • Frank L. Iber
    • E. L. Rogers
    • Thomas R. Gadacz

    BookReview Pages: 1054 - 1055

15. News and notices

    News Pages: 1056 - 1056