Adults with inflammatory bowel disease from North Carolina were questioned during 1986
and 1987 to assess risk due to a variety of childhood infections and treatments with …

METHODS A hospital-based case-control was carried out. Newly-diagnosed cases of CD
(n= 194), less than 20 yr of age were recruited from the gastroenterology clinic of a large …

Background Associations between inflammatory bowel diseases (IBDs) and other immune-
mediated diseases have been described in adult populations. Whether such associations …

Design: The 1946 National Survey of Health & Development (NSHD) and the 1958 National
Child Development Study (NCDS) are on-going, longitudinal birth cohort studies. A nested …

This international case control study was conducted in 14 centers in 9 countries to
investigate factors in childhood which may have a bearing on the etiology or patho-genesis …

Background: Environmental exposures in early life have been implicated in the aetiology of
inflammatory bowel disease. Objective: To examine environmental risk factors prior to the …

Medical records concerning pediatric or adolescent patients first diagnosed with Crohn's
disease or ulcerative colitis in two New York hospitals during a 5-year period (1986 to 1990) …

Objective. An inappropriate immune response to normal bowel flora is implicated in the
etiology of Crohn's disease. Tolerance to bowel flora develops in infancy, so factors …

Objective: Data suggest an increase in the incidence of pediatric inflammatory bowel
disease (IBD). We examined the trend of the incidence of IBD in children. Patients and …

A case–control study of childhood environmental risk factors... : European Journal of
Gastroenterology & Hepatology A case–control study of childhood environmental risk factors for …