@article{Andersen2000,
author = {Andersen, A.M.N. and Wohlfahrt, J. and Christens, P. and Olsen, J. and Melbye, M.},
title= {Maternal age and fetal loss: Population based register linkage study},
year = {2000},
doi = {10.1136/bmj.320.7251.1708},
volume = {320},
number = {7251},
pages = {1708--1712},
}