Debut of Crohn's disease in a child desensitised to cow's milk. Issue 3 (December 2015) - Esponda-Juárez, Karolina; Fuentes-Aparicio, Victoria; Prieto Bozano, Gerardo; Rodríguez-Álvarez, Mónica; Pescosolido, Eva; Fernández-Rivas, Montserrat