We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleComparison of gestational age at birth based on last menstrual period and ultrasound during the first trimester.AuthorsHoffman CS; Messer LC; Mendola P; Savitz DA; Herring AH; Hartmann KEPublicationPaediatric and perinatal epidemiology, 2008, Vol 22, Issue 6, p587ISSN1365-3016Publication typearticleDOI10.1111/j.1365-3016.2008.00965.x