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

Relationship between historical developments in the percentages of low birthweight and fetal mortality in Spain Jesús J. Sánchez-Barricarte, Amaia Sánchez-Arlegui

Construction of the birth weight by gestational age population reference curves of Catalonia (Spain): Methods and development Francisca Ramos, Perez, Jane, Ramon Prats