Fitzgerald, M. S., Riha, K., Gao, F., Ren, S., McKnight, T. D., & Shippen, D. E. (1999). Disruption of the telomerase catalytic subunit gene from Arabidopsis inactivates telomerase and leads to a slow loss of telomeric DNA. The National Academy of Sciences.

Fitzgerald, Matthew S., Karel Riha, Feng Gao, Shuxin Ren, Thomas D. McKnight, a Dorothy E. Shippen. Disruption of the Telomerase Catalytic Subunit Gene From Arabidopsis Inactivates Telomerase and Leads to a Slow Loss of Telomeric DNA. The National Academy of Sciences, 1999.

Fitzgerald, Matthew S., et al. Disruption of the Telomerase Catalytic Subunit Gene From Arabidopsis Inactivates Telomerase and Leads to a Slow Loss of Telomeric DNA. The National Academy of Sciences, 1999.