BibTex format
@article{Mullins:2012:10.1111/j.1600-0412.2011.01232.x,
author = {Mullins, E and Kumar, S},
doi = {10.1111/j.1600-0412.2011.01232.x},
journal = {ACTA OBSTETRICIA ET GYNECOLOGICA SCANDINAVICA},
pages = {152--154},
title = {Older mothers do not confer greater perinatal risk to dichorionic diamniotic twins},
url = {http://dx.doi.org/10.1111/j.1600-0412.2011.01232.x},
volume = {91},
year = {2012}
}