Biblioteca EMCS,
http://www.biomedcentral.com/1471-230X/13/47/abstract
http://www.biomedcentral.com/1471-230X/13/47/abstract
Medical and surgical treatment of haemorrhoids and anal fissure in Crohn's disease: a critical appra - http://t.co/LxniPr0gx2
El manejo de hemorroides y fisuras anales en enfermedad de Crohn. Importante!