Childhood factors in ulcerative colitis and Crohn’s disease
PERINATAL RISK FACTORS FOR INFLAMMATORY BOWEL DISEASE: A CASE-CONTROL STUDY
A Case-Control Study of Ulcerative Colitis with Relation to Smoking Habits and Alcohol Consumption in Japan
Inflammatory bowel disease and domestic hygiene in infancy
Childhood infections and the risk of inflammatory bowel disease
Modern life in the epidemiology of IBD