Specific Instruments to Assess Quality of Life in Children and Adolescents with Asthma Cristian Roncada, Rita Mattiello, Paulo M. Pitrez, Edgar E. Sarria

Quality of life, school backpack weight, and nonspecific low back pain in children and adolescents Rosangela B. Macedo, Manuel J. Coelho-e-Silva, Nuno F. Sousa, João Valente-dos-Santos, Aristides M. Machado-Rodrigues, Sean P. Cumming, Alessandra V. Lima, Rui S. Gonçalves, Raul A. Martins

Portuguese Children's Sleep Habits Questionnaire - validation and cross-cultural comparison Filipe Glória Silva, Cláudia Rocha Silva, Lígia Barbosa Braga, Ana Serrão Neto