@article{f83d86e44bd941a4b604adb1c370c482,
title = "OP23.06: Effects of method of conception and gestational age on first trimester biochemical markers",
author = "Petersen, {Olav Bj{\o}rn}",
year = "2012",
doi = "10.1002/uog.11611",
language = "English",
volume = "40",
pages = "124--124",
journal = "Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology",
issn = "0960-7692",
publisher = "John/Wiley & Sons Ltd",
number = "S1",
note = "22th World Congress on Ultrasound in Obstetrics and Gynecology : ISUOG ; Conference date: 09-09-2012 Through 12-09-2012",
}