@article{Morin2003, author = {Morin, P. and Payette, H. and Moos, M.-K. and St-Cyr-Tribble, D. and Niyonsenga, T. and De Wals, P.}, title= {Measuring the intensity of pregnancy planning effort}, year = {2003}, doi = {10.1046/j.1365-3016.2003.00461.x}, journal = {Paediatric and Perinatal Epidemiology}, volume = {17}, number = {1}, pages = {97--105}, }