1. Letter from Barbara McClintock to Elizabeth H. Blackburn Publication: Produced: 11 March 1983 Subject(s): Ring ChromosomesTelomereChromosome Breakage Archival Collection: The Barbara McClintock Papers (Profiles in Science)
2. Telomerase Activation in Mouse Mammary Tumors: Lack of Detectable Telomere Shortening and Evidence for Regulation of Telomerase RNA with Cell Proliferation Publication: American Society for Microbiology, July 1996 Subject(s): Mammary Tumor Virus, MouseTelomereTelomerase Archival Collection: The Harold Varmus Papers (Profiles in Science)