1. EP06.01: Prenasal thickness to nasal bone length ratio in normal and Trisomy 21 fetuses at 11–14 weeks of gestation. (1st October 2015) Authors: Manegold‐Brauer, G.; Bourdil, L.; Berg, C.; Schoetzau, A.; Gembruch, U.; Geipel, A. Journal: Ultrasound in obstetrics & gynecology Issue: Volume 46:Number S1(2015:Sep.) Supplement Page Start: 201 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗