Autores: M. Pérez Seoane de Zunzunegui, J. González González, J. A. Rivera Bautista, M. Artés Caselles, V. Rojo Blanco, J. García de Sola Arriaga.
Servicio de Cirugía General y del Aparato Digestivo
Hospital Puerta de Hierro Majadahonda (Madrid)
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