1. Small marker chromosomes in man: origin from pericentric heterochromatin of chromosomes 1, 9, and 16. Issue 3 (March 1990) Authors: Callen, D F; Ringenbergs, M L; Fowler, J C; Freemantle, C J; Haan, E A Journal: Journal of medical genetics Issue: Volume 27:Issue 3(1990) Page Start: 155 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗