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Nationwide trends in colectomy rates for ulcerative colitis in Brazil: An analysis of the unified public healthcare system Mariane Christina Savio; Julia Ceconello Coelho; Emilia Oliveira; Daniela Oliveira Magro; Douglas Andreas Valverde; Abel Botelho Quaresma; Rafaela de Araujo Molteni; Maria Paz Gimenez Villamil; Paulo Gustavo Kotze;

Inflammatory bowel disease in the gypsy community in England and Scotland Affifa Farrukh; John F. Mayberry;