School lunch menus in Spain. A review on recommendations and policy Miguel Ángel San José González; Luis Carlos Blesa Baviera; José Manuel Moreno-Villares;

The minor in Spanish legislation: an ethics perspective María Alija; Isolina Riaño; Montserrat Esquerda;

Research ethics: From principles to practical aspects Gonzalo Solis Sánchez; Guillermo Alcalde Bezhold; Iciar Alfonso Farnós;