Social inequalities, advanced maternal age, and birth weight. Evidence from a population-based study in Spain Chiara Dello Iacono; Miguel Requena; Mikolaj Stanek;

Serum metal levels in a population of Spanish pregnant women Miren Begoña Zubero; Sabrina Llop; Amaia Irizar; Mario Murcia; Amaia Molinuevo; Ferrán Ballester; Michael Levi; Manuel Lozano; Mikel Ayerdi; Loreto Santa-Marina;

Percepción de la atención sanitaria en la primera experiencia de maternidad y paternidad Mariana Loezar-Hernández; Erica Briones-Vozmediano; Montserrat Gea-Sánchez; Laura Otero-García;