Influence of urban/rural and coastal/inland environment on the prevalence, phenotype, and clinical course of inflammatory bowel disease patients from northwest of Spain: A cross-sectional study

1. Carpio, D.
2. Barreiro-De Acosta, M.
3. Echarri, A.
4. Pereira, S.
5. Castro, J.
6. Ferreiro, R.
7. Lorenzo, A.