@article{Pharoah2009,
author = {Pharoah, P.O.D. and Glinianaia, S.V. and Rankin, J.},
title= {Congenital anomalies in multiple births after early loss of a conceptus},
year = {2009},
journal = {Human Reproduction},
volume = {24},
number = {3},
pages = {726--731},
}