TY - JOUR A1 - Platt, R.W. A1 - Joseph, K.S. A1 - Ananth, C.C. A1 - Gondines, J. A1 - Abramowicz, M. A1 - Kramer, M.S. T1 - A Proportional Hazards Model with Time-Dependent Covariates and Time-Varying Effects for Analysis of Fetal and Infant Death Y1 - 2004b DO - 10.1093/aje/kwh201 JF - American Journal of Epidemiology VL - 160 IS - 3 SP - 199 EP - -206 ER -