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OC125: Ultrasound dating at 12–14 weeks of gestation. Which dating formula is best?
Author(s) -
Sladkevicius P.,
Saltvedt S.,
Grunewald C.,
Kublickas M.,
Almström H.,
Valentin L.
Publication year - 2004
Publication title -
ultrasound in obstetrics and gynecology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.202
H-Index - 141
eISSN - 1469-0705
pISSN - 0960-7692
DOI - 10.1002/uog.1243
Subject(s) - medicine , gestation , gestational age , crown rump length , obstetrics , ultrasound , singleton , standard error , pregnancy , gynecology , statistics , mathematics , first trimester , radiology , biology , genetics