Ritz JM, Kühle O, Riethdorf S, Sipos B, Deppert W, Englert C, Günes C. A novel transgenic mouse model reveals humanlike regulation of an 8-kbp human TERT gene promoter fragment in normal and tumor tissues. Cancer Res. 2005 Feb 15;65(4):1187–96. doi: 10.1158/0008-5472.can-04-3046. PMID: 15735002.