1. Ring chromosome 21 and reproductive pattern: a familial case and review of the literature 
Veronica Bertini, Ph.D., Angelo Valetto, Ph.D., Angela Uccelli, Ph.D., Enrico Tarantino, M.D., Paolo Simi, Ph.D. 
Fertility and Sterility 
Volume 90, Issue 5, Pages 2004.e e5 (November 2008)
DOI: /j.fertnstert
Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Array comparative genomic hybridization ratio profile showing the chromosome 21 and the deletion extent (right).
Fertility and Sterility  , 2004.e e5DOI: ( /j.fertnstert )
Copyright © 2008 American Society for Reproductive Medicine Terms and Conditions