Mateyak, Maria, and Virginia Zakian. (2006) 2006. “Human PIF Helicase Is Cell Cycle Regulated and Associates With Telomerase.”. Cell Cycle 5 (23): 2796-804. doi:10.4161/cc.5.23.3524. Reference Link
Paeschke, Katrin, Karin McDonald, and Virginia Zakian. (2010) 2010. “Telomeres: Structures in Need of Unwinding.”. FEBS Lett 584 (17): 3760-72. doi:10.1016/j.febslet.2010.07.007. Reference Link