1. Perivitelline threads associated with fragments in human cleavage stage embryos observed through time-lapse microscopy. Issue 6 (December 2017) Authors: Derrick, Ranya; Hickman, Cristina; Oliana, Oriol; Wilkinson, Thomas; Gwinnett, Danielle; Whyte, Lucy Benham; Carby, Anna; Lavery, Stuart Journal: Reproductive biomedicine online Issue: Volume 35:Issue 6(2017) Page Start: 640 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗