TY - JOUR A1 - Kramer, M.S. A1 - Platt, R.W. A1 - Yang, H. A1 - Haglund, B. A1 - Cnattingius, S. A1 - Berjso, P. T1 - Registration artifacts in international comparisons of infant mortality Y1 - 2002 JF - Paediatric and Perinatal Epidemiology VL - 16 SP - 16 EP - -22 ER -