1. Early First‐Trimester Appearance of a Hydatidiform Mole on Sonography: The "Snowball" Sign. (1st July 2016) Authors: Chan, Stephen; Grant, Edward G.; Chen, Frank K.; Jayasinha, Yasangi M.; Gulati, Mittul Journal: Journal of ultrasound in medicine Issue: Volume 35:Number 7(2016) Page Start: 1610 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗