1. OP24.08: Placental sonolucencies in the first trimester: how often do we see them and what do they mean?. (September 2014) Authors: Baldassarre, R.L.; Gabe, M.; Pretorius, D.; Ramos, G.A.; Romine, L.E.; Hull, A.D.; Ballas, J.; Pettit, K.E. Journal: Ultrasound in obstetrics & gynecology Issue: Volume 44:Number 1(2014:Jul.) Page Start: 179 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗