@article{Backhausen2014,
author = {Backhausen, M.G. and Ekstrand, M. and Tydén, T. and Kjelberg, M. and Shawe, J. and Stern, J. and Hegaard, H.K.},
title= {Pregnancy planning and lifestyle prior to conception and during early pregnancy among Danish women},
year = {2014},
doi = {10.3109/13625187.2013.851183},
volume = {19},
number = {1},
pages = {57--65},
}