00835nam a22003257i 4500 20141212093039.0 900213s1990 sp gr 000 0 spa c spa IRGENS, L.M. SECULAR TRENDS OF SUDDEN INFANT DEATH SYNDROME AND OTHER CAUSES OF POSTPERINATAL MORTALITY IN NORWEGIAN BIRTH COHORTS 1967-1984 Infancia Mortalidad Muerte súbita Noruega Perinatalidad Síndromes Menores Documental ET AL. ACTA PAEDIATRICA SCANDINAVICA Vol. 78, no. 2 (1989), p. 228-232 16 40.1 A11 A3a A4 G8a AR 19900213 R.386 Depósito (26/29/30) AR