1. Evidence for a mitotic clock in human hematopoietic stem cells: loss of telomeric DNA with age;Vaziri,1994
2. Telomerase activity in normal leukocytes and in hematologic malignancies;Counter;Blood,1995
3. Genetic determination of telomere size in humans: a twin study of three age groups;Slagboom;Am J Hum Genet,1994
4. Loss of telomeric DNA during ageing of normal and trisomy 21 human lymphocytes;Vaziri;Am J Hum Genet,1993
5. Human naive and memory T lymphocytes differ in telomeric length and replicative potential;Weng,1995