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Alfonso Alcalde-Vargas, Claudio Trigo-Salado, Eduardo Leo-Carnerero, Francisco Javier Castell-Monsalve, Olga Mateo-Vico, José Luis Márquez-Galán. "Severe perianal disease degenerated to adenocarcinoma: Is close monitoring of long-term perianal disease necessary?." Revista Espanola de Enfermedades Digestivas 105.2 (2013) 115-116