TY - JOUR A1 - Fuster, V. A1 - Zuluaga, P. A1 - Colantonio, S.E. A1 - Román–Busto, J. T1 - Regional differences in low birth weight in Spain: Biological, demographic and socioeconomic variables Y1 - 2014 DO - 10.1017/S0021932014000030 JF - Journal of Biosocial Science SP - 1 EP - -15 ER -