TY - JOUR A1 - Rodríguez, C. A1 - Regidor, E. A1 - Gutiérrez-Fisac, J.L. T1 - Low birth weight in Spain associated with sociodemographic factors Y1 - 1995 DO - 10.1136/jech.49.1.38 JF - Journal of Epidemiology and Community Health VL - 49 IS - 1 SP - 38 EP - -42 ER -