@article{a3e429d0c91945da936c000e729a4bd8,
title = "491: Implementation of a universal second trimester cervical length screening program in a resident clinic population",
author = "Ziad Haidar and David McKenna and Cathy Downing and Kristen Eichorn and Jiri Sonek",
year = "2014",
month = jan,
day = "1",
doi = "10.1016/J.AJOG.2013.10.524",
language = "American English",
volume = "210",
journal = "American Journal of Obstetrics and Gynecology",
issn = "1097-6868",
publisher = "Elsevier",
number = "1",
}