S Hohaus, MT Voso, E Orta-La Barbera, S Cavallo, A Bellacosa, S Rutella, C Rumi, M Genuardi, G Neri, G Leone. Telomerase activity in human hematopoietic progenitor cells. Haematologica 1997;82(3):262-268; https://doi.org/10.3324/%x.