TY - JOUR A1 - Landale, Nancy S. A1 - Oropesa, R. S. A1 - Gorman, Bridget K. T1 - Migration and Infant Death: Assimilation or Selective Migration among Puerto Ricans? Y1 - 2000 DO - 10.2307/2657518 JF - American Sociological Review VL - 65 IS - 6 SP - 888 EP - -909 ER -