1. Continuing role for classical cytogenetics: Case report of a boy with ring syndrome caused by complete ring chromosome 4 and review of literature. Issue 3 (27th January 2017) Authors: Burgemeister, Anna Lena; Daumiller, Eva; Dietze‐Armana, Ilona; Klett, Christine; Freiberg, Clemens; Stark, Wiebke; Lingen, Michael; Centonze, Izabela; Rettenberger, Günther; Mehnert, Karl; Zirn, Birgit Journal: American journal of medical genetics Issue: Volume 173:Issue 3(2017) Page Start: 727 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗