@article{Jaakkola2004,
author = {Jaakkola, J.J. and Gissler, M.},
title= {Maternal smoking in pregnancy, fetal development, and childhood asthma},
year = {2004},
doi = {10.2105/AJPH.94.1.136},
volume = {94},
number = {1},
pages = {136--140},
}