1. Ring chromosome 13: lack of distinct syndromes based on different breakpoints on 13q. Issue 10 (October 1992) Authors: Brandt, C A; Hertz, J M; Petersen, M B; Vogel, F; Noer, H; Mikkelsen, M Journal: Journal of medical genetics Issue: Volume 29:Issue 10(1992) Page Start: 704 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗