TY - JOUR A1 - Morin, P. A1 - Payette, H. A1 - Moos, M.-K. A1 - St-Cyr-Tribble, D. A1 - Niyonsenga, T. A1 - De Wals, P. T1 - Measuring the intensity of pregnancy planning effort Y1 - 2003 DO - 10.1046/j.1365-3016.2003.00461.x JF - Paediatric and Perinatal Epidemiology VL - 17 IS - 1 SP - 97 EP - -105 ER -