00602nam a22002417i 4500 20141212085839.0 880124s1988 sp gr 000 0 spa c eng ERICSON, A. PREGNANCY OUTCOME AND SOCIAL INDICATOR IN SWEDEN Embarazo Estatus socioeconómico Indicadores sociales Suecia Documental ACTA PAEDIATRICA SCANDINAVICA Vol. 73, no. 1 (1984), p. 69-74 40.3 A3a G8 AR 19880124 R.386 Depósito (26/29/30) AR