@article{Olesen2009,
author = {Olesen, C. and Thrane, N. and Rønholt, A.-M. and Olsen, J. and Henriksen, T.B.},
title= {Association between social position and congenital anomalies: A population-based study among 19,874 Danish women},
year = {2009},
doi = {10.1177/1403494808100938},
journal = {Scandinavian Journal of Public Health},
volume = {37},
number = {3},
pages = {246--251},
}