Serious gastrointestinal complications after ingestion of a magnetic toy - Flores Perez, P; Flores Perez, P; Luis Huertas, A L; Luis Huertas, A L; Villalobos Pinto, E; Villalobos Pinto, E; Perez Martin, M A; Perez Martin, M A; Souto Romero, H; Souto Romero, H; de Mingo Micena, L; de Mingo Micena, L (Anales De Pediatria, 2013)