TY - JOUR A1 - Kiely, J.L. A1 - Kleinman, J.C. A1 - Kiely, M. T1 - Triplets and higher-order multiple births: Time trends and infant mortality Y1 - 1992 DO - 10.1001/archpedi.1992.02160190094029 JF - Archives of Pediatrics & Adolescent Medicine VL - 146 IS - 7 SP - 862 EP - -868 ER -