1. Ultrasound and Embryonic Chromosomes. Issue 5845 (13th January 1973) Authors: Ikeuchi, T.; Sasaki, M.; Oshimura, M.; Azumi, J.; Tsuji, K.; Shimizu, T, Journal: BMJ Issue: Volume 1:Issue 5845(1973) Page Start: 112 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗