Critical appraisal (I): Fundamentals, tools, and application to scientific articles on outcomes and harmful effects Javier González de Dios; María Salomé Albi Rodríguez; Álvaro Gimeno Díaz de Atauri; Laura Cabrera Morente; Elena Pérez González; Carlos Ochoa Sangrador;

Neonatal TSH as a marker of iodine nutrition status. Effect of maternal ioduria and thyroid function on neonatal TSH Silvia González Martínez; Belén Prieto García; Ana Isabel Escudero Gomis; Elías Delgado Álvarez; Edelmiro Luis Menéndez Torre;

Stress ulcer prophylaxis for critically ill children: routine use needs to be re-examined Sohair Sayed Abu El-Ella; Muhammad Said El-Mekkawy; Ali Mohamed Selim;