Journal of Crohn s and Colitis · 2011 · 84 citations · 13 references
People who emigrate to westernised countries have a higher risk for developing IBD, especially UC. Environmental factors related with industrialization seem to play an important role in the pathogenesis of these diseases.
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Inflammatory bowel disease and domestic hygiene in infancy
A.E. Gent, M.D. Hellier, R H Grace et al. · The Lancet · 1994 · 354 citations