@article{Bjørngaard2013,
author = {Bjørngaard, J.H. and Bjerkeset, O. and Vatten, L. and Janszky, I. and Gunnell, D. and Romundstad, P.},
title= {Maternal age at child birth, birth order, and suicide at a young age: A sibling comparison},
year = {2013},
doi = {10.1093/aje/kwt014},
volume = {177},
number = {7},
pages = {638--644},
}