Analysis of telomere lengths in cloned sheep
Nature (1999) - Comments
pubmed: 10360570  doi: 10.1038/20580  issn: 0028-0836  issn: 1476-4687 

Paul G. Shiels, Alexander J. Kind, Keith H. S. Campbell, David Waddington, Ian Wilmut, Alan Colman, Angelika E. Schnieke