Physician visits in the United States for constipation: 1958 to 1986

EFFECT OF DIETARY FIBRE ON STOOLS AND TRANSIT-TIMES, AND ITS ROLE IN THE CAUSATION OF DISEASE

D. P. Burkitt, Alexander Walker, Neil S. Painter · The Lancet · 1972 · 1K citations

Medicine, Nutrition, Nutritional Sciences +10

Epidemiology of constipation in the United States

Amnon Sonnenberg, Timothy R. Koch · Diseases of the Colon & Rectum · 1989 · 301 citations

Medicine, Internal Medicine, Epidemiologic Methods +5

An Introduction to Epidemiologic Methods

Harry P. Wetzler · Journal of Occupational and Environmental Medicine · 1984 · 147 citations

Public Health, Health Sciences, Clinical Epidemiology +10

Changes in physician visits for gastric and duodenal ulcer in the United States during 1958?1984 as shown by National Disease and Therapeutic Index (NDTI)

Amnon Sonnenberg · Digestive Diseases and Sciences · 1987 · 70 citations

Medicine, Health Sciences, Internal Medicine +7

Mortality from Crohn's disease and ulcerative colitis in England-Wales and the U.S. from 1950 to 1983

Amnon Sonnenberg · Diseases of the Colon & Rectum · 1986 · 33 citations

Medicine, Demography, Comparative Epidemiology +12