@article{3b448c0773804beabdac4ef81056391b,
title = "Hyperhomocysteinemia and MTHFR polymorphisms in association with orofacial clefts and congenital heart defects: A meta-analysis",
author = "AC Verkleij-Hagoort and Bart Bliek and F Sayed-Tabatabaei and Nicolette Ursem and Eric Steegers and \{Steegers - Theunissen\}, R{\'e}gine",
year = "2007",
doi = "10.1002/ajmg.a.31684",
language = "Undefined/Unknown",
volume = "143A",
pages = "952--960",
journal = "American Journal of Medical Genetics Part A",
issn = "1552-4825",
publisher = "John Wiley \& Sons Inc.",
number = "9",
}