Reichenbach P, Hoss M, Azzalin CM, Nabholz M, Bucher P, Lingner J (Apr 2003). "A human homolog of yeast Est1 associates with telomerase and uncaps chromosome ends when overexpressed". Curr Biol. 13 (7): 568–74. doi:10.1016/S0960-9822(03)00173-8. PMID12676087.
Snow BE, Erdmann N, Cruickshank J, Goldman H, Gill RM, Robinson MO, Harrington L (Apr 2003). "Functional conservation of the telomerase protein Est1p in humans". Curr Biol. 13 (8): 698–704. doi:10.1016/S0960-9822(03)00210-0. PMID12699629.
Reichenbach P, Hoss M, Azzalin CM, Nabholz M, Bucher P, Lingner J (Apr 2003). "A human homolog of yeast Est1 associates with telomerase and uncaps chromosome ends when overexpressed". Curr Biol. 13 (7): 568–74. doi:10.1016/S0960-9822(03)00173-8. PMID12676087.
Snow BE, Erdmann N, Cruickshank J, Goldman H, Gill RM, Robinson MO, Harrington L (Apr 2003). "Functional conservation of the telomerase protein Est1p in humans". Curr Biol. 13 (8): 698–704. doi:10.1016/S0960-9822(03)00210-0. PMID12699629.