1. Greider CW, Blackburn EH: Identification of a specific telomere terminal transferase activity in Tetrahymena extracts. Cell. 1985, 43 (2 Pt 1): 405-413.
2. Shay JW, Bacchetti S: A survey of telomerase activity in human cancer. Eur J Cancer. 1997, 33 (5): 787-791.
3. Califano J, Ahrendt SA, Meininger G, Westra WH, Koch WM, Sidransky D: Detection of telomerase activity in oral rinses from head and neck squamous cell carcinoma patients. Cancer Res. 1996, 56 (24): 5720-5722.
4. Mao L, El-Naggar AK, Fan YH, Lee JS, Lippman SM, Kayser S, Lotan R, Hong WK: Telomerase activity in head and neck squamous cell carcinoma and adjacent tissues. Cancer Res. 1996, 56 (24): 5600-5604.
5. Hohaus S, Cavallo S, Bellacosa A, Genuardi M, Galli J, Cadoni G, Almadori G, Lauriola L, Litwin S, Maurizi M, Neri G: Telomerase activity in human laryngeal squamous cell carcinomas. Clin Cancer Res. 1996, 2 (11): 1895-1900.