Creation and validation of an instrument to quantify attitudes, knowledge and difficulties in the approach to social problems Rafael Jiménez-Alés; Raquel Páez-González; María Llanos de la Torre-Quiralte; María Luisa Poch-Olivé; Nisa Boukichou-Abdelkader; Eva María Andrés Esteban;

Clinical features and risk factors associated with prenatal exposure to drugs of abuse Antonia Roca; Pilar Jarque; Isabel Gomila; Emilia Marchei; Roberta Tittarelli; Miguel Ángel Elorza; Pilar Sanchís; Bernardino Barceló;