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Toledo Gutiérrez, M. I.; Alarcón Muñoz, A. M.; Bustos Medina, L.; Heusser Risopatrón, F.; Hebel Weiss, E.; Lorca Osorio, P.; Castillo Niño, M. E.; Garay Greve, F. Contribution of Qualitative Methods in the Validity of an Instrument Which Measures Quality of Life Related to Health in Children Suffering from a Chronic Illness. FQS 2009, 10.