Telomere/telomerase system impairment in circulating angiogenic cells of geriatric patients with heart failure International journal of Cardiology 164 ( 2013 ) 99-105 Autori: F. Olivieri, R. Antonicelli, R. Rccchioni, S. Mariotti, F. Marcheselli, R. Lisa, L. Spazzafumo, R. Galeazzi, D. Caraceni, R. Testa, R. Latini, A.D. Procopio.